You should be able to find all of this data publicly available at: https://baseballsavant.mlb.com/ Here is an illustration of a 92mph fastball thrown with 2400 rpm, 2200 rpm, and 1800 rpm. as much as 500 rpm on pitches like the fastball! Rapsodo calculates spin axis directly, but infers trajectory based on the axis itself. Why this happens can be explained by some simplified physics, in this case we'll focus on the Magnus force. thanks. Curve balls today are not your grandpas big loopy silly bugs bunny slow hooks. Answer: Statcast combines doppler radar and high speed video technology to generate s datastream for every play during a game. 15. Weve seen that spin rate increases with fastball velocity, but its also easy to misapply basic lessonsespecially if you are comparing pitchers with different velocities. The chart clearly illustrates a trend that more velocity + spin = swinging strikes, with a few curious outriders. Spin rate is the amount of spin that a pitched ball has on its way to home plate. Four-seam Fastball. To highlight an example using Statcast data in the illustration below, we see the top ten fastballs in 2018 that scored highest in our pitch potential metric. sure did. More:BOX SCORE: Detroit 10, Baltimore 3 "Was it up," Boyd asked of his fastball spin rate. When combined with higher velocity, fastballs are often even more effective with more spin. The fastball also has an above-average spin rate, ranking around the 70th . Slider. What is a good spin rate for a pitcher? A SVR+ of greater than 100 would indicate a higher than average spin rate fastball, where as a SVR+ of less than 100 would be a lower than average spin rate fastball. Two-Seam Fastball: Adrian Houser, Milwaukee Brewers Its valuable, click the link. It describes the percentage of the raw spin rate that directly impacts the pitchs movement. So what does this mean in real world effects? But the axis can change depending on arm slot and the orientation of the hand and fingers at ball release. Curveball. Low spin rate guys get more sink. Take a look at the difference that an extra 100rpm can mean. This chart also shows the. A lot of pitching folks talk about the real value in pitching data to be in the spin rate numbers. Cutter. Those above 1750 rpm tend to exceed a 50% ground ball rate. So we can say that at the same velocity the higher the spin rate the more swing and misses the fastball is going to get. In 2016, there were over 255,000 four-seam fastballs thrown, and the Major League average four-seam spin rate was 2,264 rpm. Spin: 100 rpm change * 1.0% SwStr% Velocity: 1 mph change * 0.9% SwStr% Home Blog Pitching Pitch Design Spin Rate: What We Know Now. The noise is large enough that one really cannot try to attach much significance to the spin efficiency for a single pitch. A high school pitcher can be anywhere from 14 to 18 years of age. This is on my short list of the best pitch ever thrown. So now lets think of the Magnus force in terms of spin rate. Our blog posts are designed to accommodate coaches, players, and fans of a wide variety of technical backgrounds. "That's awesome. This is because of the balls axis. So a good part of the movement of a fastball depends on how fast or how slow, called the rate, it is spinning." An increase of 300 RPMs for a spin rate is highly significant. So in summation, Sliders are hard to qualify, but they seem to act on the same principal that more spin equals more movement and more swinging strikes. All this is discussed (and examples given) in the linked article. As you mentioned, Bauer Units were created to a) simplify the relationship between spin and velocity during ball flight b) simplify a pitchers ability to generate spin at a given intent level. -45. Given that fact, the theory, as I take it, is that because batters see movement on fastballs so often in this range, it is sort of the default position of a hitters experience when making the microsecond adaptions to ball flight. The Effect of Fastball Backspin Rate on Baseball Hitting Accuracy, First, youd need to control for velocity. Now that we've looked at Fastballs and curve balls, we can take a quick stab at change-ups and their derivatives. In this instance the effects of high and low spin rate most likely equaled themselves out. Nearly 75% of curve ball spin is "useful". "http:":"https:";if(/^\/{2}/.test(i)&&(i=r+i),window[n]&&window[n].initialized)window[n].process&&window[n].process();else if(!e.getElementById(s)){var a=e.createElement("script");a.async=1,a.id=s,a.src=i,d.parentNode.insertBefore(a,d)}}(document,0,"infogram-async","//e.infogr.am/js/dist/embed-loader-min.js"); The 6th pitcher threw pitches from 60 80 MPH but was told to attempt to change his mechanics from pitch to pitch and you can see that the R^2 relationship dropped down to .541. Fastest, straightest pitch. (Open Access). ERA = 9 X (Earned Runs Allowed / Innings Pitched) If you have a look at the formula above, the first step is. It is important to remember that coaches are looking for pitchers to consistently throw at this velocity, not just touch it every once and awhile. Slurve. Expect to see a lot of jammed swings and broken bats when thrown . Spin rate is important to understand, because it can affect. Why this happens can be explained by some simplified physics, in this case well focus on the Magnus force. 76 mph. This chart from Jeff Zimmermanalso supports this idea , finding that when looking at fastballs at the same velocity the higher the spin rate the higher the percentage of swinging strikes. You Asked What kind of dirt do you use on a baseball field? The r-squares aren't high for any of the values (~.1 to .2), but that's expected with so many inputs into a fastball's performance. Understanding Bauer Units and how to judge spin with them gives coaches further context of the spin rate of fastballs. In order to qualify at all, a pitcher must have 3 pitches thrown per team game. Lastly, a low slot or sidearm pitcher, will likely have a fastball spin axis thats almost purely vertical. What is a good spin rate on a slider? also supports this idea , finding that when looking at fastballs at the same velocity the higher the spin rate the higher the percentage of swinging strikes. Staying down in the zone would be the best option because hitters should swing just over the pitch resulting in more ground balls. As discussed, fastballs with higher spin than the MLB average of 2,263.15 seem to "rise", as in they stay up higher than the aforementioned average spin fastballs. If your arm is as relaxed and as fast as humanly possible, which of course is everyone's goal, natural forward snap and 4-seam rotation should theoretically be possible. But his spin rate could max out at 1900 at 92 MPH. Bauer Units are a good way to do that, this is especially important for pitchers with outlier fastballs velocities, either lower or higher. Centered around 1700 rpm and 83 mph, this . The same pitch thrown at the same Velocity will end up in a different place depending on how much it spins. Also known as a Sinker. . Spin Rate Guide - SBO v7.doc Fastpitch Softball Spin Rate Guide The RevFire spin rate is a measurement in Revolutions Per Second (RPS) of the rate of rotation . The lowest spin rate is 1767. Though there is a growing belief that drastic changes in spin rate (usually sharp decreases) can be a sign of an injury or pending injury. that scored highest in our pitch potential metric. The Fastball is thrown with topspin and should have a 6:00 spin direction. You often hear so and so has a curveball with a 3,000-rpm spin rate, or a fastball with 2,800 rpm spin rate. A sweeping, high spin rate curve will get more swings, but some of those will be harder hit than those of a more vertical curve ball. This site uses Akismet to reduce spam. This takes some getting use to, but recognizing what pitches have the potential to be good or bad is the first step in using technology. Three years ago, he said he participated in laboratory experiments that determined that pine tar on the surface of a baseball could improve spin rates by 300 to 400 revolutions per minute. However, it averages nearly 9 inches of vertical drop and its thrown at a spin rate similar to his fastball, so it often freezes batters in their place. 2004 draft Am I correct about the history? Reds pitchers are spinning the ball the most, on the pitches where it really counts their fastballs and curveballs. However, REALISTICALLY, you're not going to have Ueno's whip while you're learning. There is a distinction between a high-spin fastball that has a high degree of vertical movement and one that does not. In combining both internal measurements of Spin+ and spin efficiency, were able to gain a much better understanding of where a pitcher has the potential to improve based on his underlying data. Well, here is the batting averages of these different spin fastballs (in 2016). Use the third one. So lets jump right in. For fastballs, change-ups and curveballs, the closer the spin efficiency is to 100% efficient the better. Making spin rate more useful over a wide range of pitchers of varying velocities. This gif was created from a fantastic video on the Magnus effect from Veritasium titled: The Effect of Fastball Backspin Rate on Baseball Hitting Accuracy. | Community FanGraphs Baseball, Exploration of Spin Rates | Exploring Baseball Data with R, J.B. Bukauskas and the RPM Revolution Prospects365.com. This metric is designed to identify fastballs in the big leagues with the greatest potential to increase total movement based on a pitchers inherent spin characteristics. His 2,294 RPM fastball spin rate was only average, but his Active Spin was an insane 99.5%. That means that 900 rpm out of the 1000 total rpm (90% x 1000) is contributing to the actual movement. The Drop Ball has a 6:00 spin direction with topspin. How fast can a human possibly throw a baseball? In other words, a high-velocity, over-the-top pitcher who is actually less able to use a, combination of finger forces and friction. You have ended my 4 day long hunt! The first having 3633 RPM at 84 MPH and the second with 3127 RPM at 81 MPH. BYB 2021 Detroit Tigers prospects #15: IF Colt Keith, Tigers vs. Pirates Preview: Tigers head home to take on star-less swashbucklers, Behind Enemy Lines: A pre-series chat with Jeremy Brener of Bucs Dugout, Tigers 2, Athletics 3: Ninth inning miscues lead to walk-off sweep in Oakland, Royals 3, Tigers 1: Tigers threaten but do notwin, Ian Kinsler trade rumors: Brewers diggingin, Detroit Tigers News: Justin Verlander might actually be traded thisweek. Nathan Eovaldi was a tragic tail of immense velocity but no deception. An average changeup for this age is somewhere around the 50-60 mph mark. That said, in general fastballs have the highest ratio of useful spin:total spin and sliders have the lowest ratio. But if you divide your Bauer unit by 120, you essentially have the unitless tangential velocity (radius * spin rate) divided by forward velocity. There is a large amount of MLB data available that can tell you even more about different pitchers and their repertoires. Does spin rate increase velocity? These examples show different spin rates that accomplish the same goal. On breaking balls, the higher the spin rate, the tighter and more sharp the break is on the pitch. It is a valuable read and goes into depth on how more velocity can be less effective than a fastball with higher movement. Backspin on a fastball creates lift force. This can have effects on hitters, which weve observed through research using a pitching machine with different spin rates. Pitch Type report shows Average Speed by Pitch Type in the Majors Sources All except below are based on radar readings by the editor. Step 3: Throw in the zone more with the fastball, while keeping it in the upper third. Higher spin fastballs tend. But if you tell me the spin parameter as I called it, was 0.2, I could tell you the lift coefficient was roughly 0.2. 19.0 - 21.9 Good 22.0 and up Excellent GUIDELINE FOR COLLEGE PITCHERS: SPIN RATE (RPS) 20.0 - 21.9 Average 22.0 - 24.9 Good 25.0 and up Excellent . Regardless, its thrown at 2800 RPM, has outrageous two plane movement and it breaks towards the hitter, then away, then down. Spin rate for a four-seamer also tends to increase as velocity does, although high velocity does not necessarily equate to high spin. Pitching middle/up in the zone may be more beneficial in hopes of inducing pop-ups and swinging strikes. This is a compilation of knowledge gleaned by some seriously ingenious folks, please patronize their sites, click the links, and subscribe to their various sites and pages. Frequent Question What is a good spin rate baseball? As a result, being able to utilize technology to objectively assess a given pitch within the context of relevant metrics is vital to get the most out of a players given abilities. A horrific all consuming monster that has been brought by the devil through his tool Chaz Roe to make hitters suffer. But not all spin is equal. If youre looking to judge a pitchers fastball, youll need to look past the raw spin and control for velocity. For a fastball, the higher the spin rate, the higher the ball will stay in the zone. 70 mph. Question: What size bat should a 12 year old use. Spin Rate is important to a fastball, with fastballs below 1800 rpm and above 2600 rpm being vastly more effective than those that ride the line in the middle. Source: BaseballSavant. https://www.brooksbaseball.net/. Rosin is legal in major and minor league baseball for pitchers to use. in my limited experience, those would not have much predictive power to Spin. Additionally, a pitchers delivery affects the ball as well. SVR+ = (Player SVR/League Average SVR)*100. Curve balls, unlike fastballs, relying on top spin. When a fastball is thrown with backspin, we can explain its vertical movement with Magnus force. Magnus force, which is defined as a phenomenon where a rotating object immersed in a flowing fluid sustains a force perpendicular to the line of its rotating motion, can be more easily understood as the force that causes objects to travel towards the direction the front of the object is spinning. Knowing your spin helps you better understand what type of pitcher you are at present. They range from under 1000 rpms to over 3000 rpms. This means that Ross is essentially throwing his two-seamer (and four-seamer [FF]) with just league-average movement, despite being amongst the league leaders in generating spin. Bless You Boys, a Detroit Tigers community, By JajaBojangles Spin Rate is important to a fastball, with fastballs below 1800 rpm and above 2600 rpm being vastly more effective than those that ride the line in the middle. Each method has its strengths and shortcomings, for example laminar flow isnt accurately accounted for, but the main advantage of Rapsodo is that it can accurately measure spin efficiency. He gets incredible movement on it, and he can bury the thing anywhere he wants. Dallas, Texas. There really is no a + b = c magic formula where player x needs to throw a fastball with a specific axis and efficiency percentage to have more success. What is a good spin rate for a high school pitcher? Curveballs and sliders have higher raw spin totals than other pitches. As a result, nearly all the movement will be lateral to the arm side. 1989. "Spin Rate" has become arguably the biggest buzz word in baseball. This highlights a more parsimonious relationship between spin rate, spin efficiency, and the right approach to designing a fastball. In order to achieve this without the pitch acting more like a sidespin slider, spin efficiency needs to be kept at least between 65-75% (MLB average 68%) while also being thrown with an 8:00-9:00 spin direction. With a more traditional three-fourths slot, we start to see more similar horizontal and vertical break values. . These are small enough differences that a batter would not be able to tell before they decide to swing, but the balls will end up at different heights by the time they reach the plate. But more specifically, it shows that a fastball at 90 mph (which is lower than the average MLB fastball) at spin rates 2400-2600 produces a greater swing and miss percentage than a 95-mph fastball with a spin rate below 2100 rpm. I'll get to how that applies in a minute. Out of the 12 pitchers who threw 100 or more 4-seam fastballs in 2019 with spin rates below 2000, only one had a true swing-and-miss fastball, Sean Manaea, who allowed an elite .225 wOBA and a 24% whiff . AKA: Sinker. Normalized, the average pitcher has a Bauer Unit of 24, with more velocity or spin increasing the Bauer unit. After putting up a 2.64 xERA and a 3.19 FIP in 2020, Hernandez had a much more pedestrian 4.08 xERA and 3.97 FIP in 2022. Note: Remember that spin and velocity are related, don't combine the first two formulas. Max lateral deviation was 24 inches (more likely 18 inches.). whoops did not see that my previous comment was still awaiting moderation. The movement of a fastball will also be affected by a pitchers arm slot, or release point. A 92 MPH fastball at 2200 RPM is going to travel on an average path to the plate. The main takeaway is that raw spin rate can be deceiving without additional contextparticularly in physically maturing pitchers where velocity may jump periodically, and spin axis may be more volatile. I get it, 24 is easier to conceptualize than 0.2 or 20 cents. This is a meaty and hard to understand concept, but in its simplest form (Alan is a mathematical savant and the defacto expert at this area of analysis, I attempted to get ahold of him but failed) is that not all spin is equal, that transverse spin is valuable to fastballs, higher spin rates mean more lateral movement and lower spin means more vertical movement. We now know that instead of simply repeating cues verbatim to players, learning more background knowledge of certain topics is needed. This can be attributed to the axis shifting to a more diagonal positionmeaning more sidespin. Change-ups should create more horizontal break and less vertical break than the fastball. Keeping your hand behind the ball all the way through the release will improve both Spin Efficiency and Speed. His four-seam fastball sits 91-92 mph on average, touching 94-95 mph at peak, with spin rates that average between 2,600-2,700 rpm, hitting as high as 2,850 rpm on the Cape. As you can see, high spin rate by itself does not mean more positive vertical break. I got 0.28 pounds for the Magnus force compared to the 0.32 pounds which is the weight of. Question What size baseball glove does my son need? I'm lumping them all together and if you think that is a bit of a generalization. well you're right but hell I'm doing this for free and this took awhile to do and you'll need to cope. The pitchers were told to use the same fastball grip with the same mechanics and attempt to throw a fastball starting at 60 MPH followed by a pitch at 61 MPH all the way up to 80 MPH. One study has examined how pitches with the same velocity but differentspin rates would affect hitters. It is the only foreign substance that is legal for pitchers to apply to their hands to get a better grip on the ball. I think its a reasonable question to ask what kind of relationship you found from Spin Rate to Spin Axis and Velo. What is curious is that spin rate means drastically different things for different pitches. He wasn't the only one to increase their spin rate as many other pitchers saw increases but most of their increases were in the 200 rpm range. Video can also be helpful in this case to get a better idea of how the ball is coming off the fingers. What is a good spin rate on Rapsodo? 58 - 65 MPH. His whiff rate in 2019 was 37.5% on fastballs. In this case, the closer the spin efficiency (or active spin, as it's also called) is to 100%, the better (in most cases, because a lower efficiency is tied to more movement in the specific. Great article love the conclusion and those four bullet points, but wanted to ask how strong the relationship was between Spin Rate and Velo/Spin Axis? For a breaking ball, it's the opposite the higher the spin rate, the more the ball will drop; the lower . Therefore, its important to not only monitor the raw spin rate but the axis as well. While they focused on pitchers at the start of Clean Fuego, he says the device can not only help with pitch design and fundamentals but it can also help every position player improve throwing efficiency. In the case of fastballs, again we dont know how to change spin rate, but we can make recommendations on how to sequence pitches or location preferences. Instead of dividing by 120, divide by 12. With a rudimentary understanding of the different types of spin and their effects on a baseball as well as the magnus effect briefly explained, we can dive a bit more into what spin rates mean for each individual pitch. We know that we can look at a group of pitchers throwingfastballs at the same speed, say 92 MPH, and those pitchers can all have different rates of spin on their fastballs. Fast-forward 2 years and some time with the Astros and everything has changed. Ultimately, knowing whether a pitch is good depends not only on the spin, axis, and movement profile of the pitch, but also how it performs in game. (Open Access). 18. ?, lets toss years of aerodynamic research in the trash. Alright, sliders are so different that it is IMPOSSIBLE to definitely say whether or not that higher or lower spin rate is good or bad. As you can see, there is a massive change in pitching velocity over the course of the development of a youth player. 4. timlincecum. 4-Seamer Movement 5 0 5 Horizontal Movement vs Avg (Inches) More Break Less Break 8 6 4 2 0 2 Vertical Movement vs Avg (Inches) More "Drop" More "Rise". GameThread: Tigers vs. Orioles, 1:05 p.m. GameThread: Tigers vs. Pirates, 1:05 p.m. GameThread: Tigers vs. Blue Jays, 1:07 p.m. 2023 Tigers player preview: Nick Matons a pretty versatile guy, Watch Eric Haase and Kerry Carpenter go yard against the Yankees. His stuff is absolute filth. It is the rate of spin on a baseball after it leaves the pitcher's hand. An example would be a pitcher with a high spin fastball consistently being told to throw fastball at a hitters knees. Curve balls have top spin, Fastballs have backspin, and sliders do a million different things because sliders are thrown a million different ways and I can't be bothered to research it further because that road is the road to madness. A couple of problems: The quest for being "average" always bothers me. So this data suggests that we can say there is an innate relationship between spin rate and velocity for. A pitchers release, extension, and grip will all effect the patch and spin of the ball as well. Mahle's fastball does not jump off the paper as an elite pitch, as many of the physical characteristics are good, but not great. Our speeds measured out of the hand (close to pitcher). Perhaps a lower spin rate. This is very helpful for designing pitches. If you throw a drop with "average" spin, then you don't have a very good drop..because everyone throws a drop with that amount . However, it can be noted that their is a definitive difference in success rates between horizontal curves and vertival curves. 75-85 mph. This will induce more horizontal break and less vertical due to the tilted spin. Typically, the higher the velocity, the higher the spin rate, but artificially increasing spin rate wont increase velocity. In order to better compare spin rates at different velocities between pitchers we created Spin to Velocity Ratio (SVR). Lower spin fastballs the reverse, less swing and misses and more ground balls. As evidenced by the chart below, the spin put on a fastball directly correlates to ground ball rate, fly ball rate, and swings-and-misses. They ended up finding a correlation of .75 between four-seam fastball angle and arm angle and a correlation of .79 between two-seam fastball (sinker) movement and arm angle. More spin does hold true that it generally means more movement, but even that isn't absolutely true. As arm slot changes, so does the orientation of the hands and fingers at release, thus affecting the axis of the ball. As discussed, fastballs with higher spin than the MLB average of 2,263.15 seem to "rise", as in they stay up higher than the aforementioned average spin fastballs. to add spin on the ball at release could produce a higher spin rate than a low velocity, sidearm pitcher who can generate spin well. This was best typified by Lance McCullers (who will show up again shortly) throwing 24 straight curve balls to Yankees hitters, completely dominating them. With this information, we can then calculate a Spin Efficiency percentage, which expects that Ross would generate ~2,190 rpm of transverse spin on his two-seamer during the 2018 season. Beyond that, nobody truly knows how to reliably and consistently change the spin rate of pitchers. I have been using pitchLogic for a while now and have found it very helpful for understanding what is happening with my spin axis and spin rates. Most Cleveland pitchers live within the average range specified by Driveline. Why? Now the highest spin fastball is spinning at faster than what weve seen in MLB pitchers, but the point still stands. To learn more or opt-out, read our Cookie Policy. In summation, more spin means a more effective curve ball. Question How fast can a human possibly throw a baseball? Lastly, how spin axis is measured depends on the technology used to track ball flight. What is Relative Pitch Movement? Mostly because no one knows why the ball spins differently from pitcher to pitcher. The chart below is based on MLB data showing the average pitching velocities based on age. The R^2 values between velocity and spin rate of the first 5 pitchers ranged from 0.83-0.96 which is quite a high relationship! So, imagine a pitch thrown only with gyrospin. Ouch. The spin rate clearly plays a decisive role in its movement, as it acts almost like a sweeping curve than a slider. A higher spin rate fastball will appear to rise, and is more difficult to square up. 85-95 mph. In this case, the pitch movement largely depends on the axis which the ball revolves around. What is a good spin efficiency for a fastball? In general velocity is a pretty good predictor of spin rate. I totally disagree. 80-90 mph. While the available information and whats relevant to each player scales per level, equipment, and knowledge, today we aim to show what you can learn from even relatively simple explanations, which will open the possibility to learn more down the road. The Last Touch point on the 3D Clockface can also help you visualize where the fingers are coming off the ball. The [], [] weve seen that fastball spin rate scales linearly with velocity, we asked our athletes to throw between 75-80 mph, meaning we used Bauer Units to compare the [], [] Higher spin rates mean that the ball drops less on the way to the plate. Mostly because no one knows why the ball spins differently from pitcher to pitcher. Here is an example: Let's say a a fourseam fastball has a spin rate of 1000 rpm and a spin efficiency of 90%. What is a good baseball spin rate? Before Statcast had been introduced to us unwashed baseball watching barbarians, it was easy to wonder why someone like Koji Uehara could do this. At the top of the zone and middle-ish in. God Bless you man. At one point, he had thrown 2000 curveballs while only allowing 5 home runs off the pitch. Your head might be spinning from the more complicated sections at the end, but there are a few key points for coaches and players. The Reds don't have anyone remotely close to being elite in terms of spin-rate. Prototypical Division I pitching recruits throw anywhere between 87 and 95 MPH on a consistent basis. At higher velocities, around 90, which are more game-like velocities, it affects spin rate between 200 and 300 RPM on four-seam fastballs. A Bauer Unit is derived from Spin Rate (RPM) / Velocity (MPH). , to better compare fastball spin rates, because you can have pitchers that throw the same spin rates, and whether they are high or low depends on velocity. Lowest four-seam fastball spin rate in 2016, minimum 100 pitches 1,593 rpm Pat Light . The plots of Sikorsky, Watts, Alaways (yes, me), etc. From: Baseball Spin and Pitchers Performance: Kanosue et al. Two-seam Fastball. For pitchers that come to our facility we can use either Trackman or Rapsodo to get measurements of their spin rates and then make recommendations on how to best use their pitchers or make tweaks to improve their pitches. The system is a partnership between Doppler radar provider Trackman and ChyronHego who prov. Going off what we've already learned, we can see that more spin should mean more movement, and this generally holds true for curve balls. This concept is illustrated in the mathematical formula called "Bauer Units". For example, in looking at the 2018 leaderboard above, we see that Tyson Ross threw his two-seamer (FT) with an additional 347 RPMs of raw spin compared to what we would predict given the velo and axis on the pitch. Two-seam fastballs/sinkers (MLB average spin rate 2150 rpms) should have spin efficiencies between 75-100%; this range is wide primarily due to the fact that different efficiencies work best with different spin directions, arm slots, and grip/feel. Driveline Baseball created Bauer Units named after Trevor Bauer to measure this. What is a good spin rate for a fastball? Baseball Pitching Velocity Chart from age 8-22+. Weve previously covered some basics of fastball spin rate and spin rate of off-speed pitches, but its time for another look. Question: How do baseball players use spider tack? Its wibbly wobbly, and its pretty standard. Drew Pomeranz's curve has made him a force to be reckoned with. Division II pitchers often have a throwing velocity of 82 miles per hour to 90+ miles per hour. That is almost double in 2 years! Home Blog Pitching Pitch Design A Deeper Dive into Fastball Spin Rate. Here is a link where Brandon does a stellar job on the subject.