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Are Pitching Mechanics Really That Repeatable?

Written on May 23, 2017 at 8:17 am, by Eric Cressey

The 2011 Major League Baseball Draft class was pretty ridiculous. As I recall, it was ranked as the deepest draft since 1986, and the top 20 picks alone produced established big leaguers like Gerrit Cole, Trevor Bauer, Dylan Bundy, Anthony Rendon, Archie Bradley, Francisco Lindor, Javy Baez, George Springer, Jose Fernandez, Sonny Gray, Matt Barnes, and Tyler Anderson. Even just looking a few picks later, you see names like Joe Panik, Jackie Bradley, Jr., Michael Fulmer, and Trevor Story – and these are really only the tip of the iceberg. Mookie Betts was a 5th rounder, Blake Treinen was a 7th rounder, Kyle Hendricks was an 8th rounder, Travis Shaw was a 9th rounder, Cody Allen was a 23rd rounder, and Kevin Pillar was a 32nd rounder.

Interestingly, Massachusetts was ranked as the #5 state in country that year, so Cressey Sports Performance was right in the thick of things. As a result, the spring of 2011 was a big lesson for me in managing highly touted prospects – and it set the stage for our draft classes to grow with each passing year thereafter.

Foremost among these prospects was CSP athlete Tyler Beede, who was committed to Vanderbilt and ultimately wound up turning down a large signing bonus from the Toronto Blue Jays as the 21st overall pick. Three years and a Vanderbilt national championship later, he was a first round pick again, and is currently in AAA with the San Franciso Giants.

This isn’t an article about that draft class, though; it’s about a lesson I learned during the spring of 2011 that applies to every single pitcher on the planet, regardless of age and ability level – and whether they were even close to being drafted in 2011 (or any year).

Ask any Northeast scout, and they’ll tell you that evaluating any New England prospect is incredibly challenging. Talent is very spread out, so it’s difficult for scouts to even geographically get to all the prospects they want to see. Additionally, it’s hard to consistently see good pitchers match up with good hitters to see how they compete on higher stages. Northeast players are also far more likely to be multi-sport athletes than prospects in other parts of the country, so you’re evaluating athleticism and “projectability” more than just baseball competencies.

Moreover, because of weather restrictions, the season can be very short, so a starting pitcher might only have 7-8 starts prior to the draft. Also on the weather front, pitchers peak later as the temperatures warm up. The first 3-4 games of the season are usually played in 40-something-degree weather, and rain (or snow!) might actually push games back a day or two last-minute, throwing off both the players’ and scouts’ schedules.

Getting back to Tyler, he started his season well, pitching at 91-94mph for the first several starts. Typically, the lines were complete games with 14-18 strikeouts, 0-1 walk, and no earned runs. To give you a frame of reference, between his junior and senior years, Ty went 14-1 with a 0.80 ERA with 189 strikeouts in 96.1 innings – pretty much what you’d “expect” from a eventual first-rounder.

Roughly five weeks into the season, Ty had a Wednesday outing on the road. It was early May and probably about 50 degrees. I was a few minutes late getting to the game, and actually arrived right as he was hitting in the top of the 1st. The parking lot was out past center field, and as I was walking in, Ty drilled a ball to the gap and legged out a triple. A batter or two later, the inning ending and he went right out to the mound.

As I settled in on the left field line, I saw a crew of people get out of the car and all set up not far to my left. Like everyone else at the field that day, I quickly recognized one of them as Theo Epstein, who was still with the Red Sox at the time. He seemed to have so many Red Sox scouts with him that I actually joked to my wife that they must have borrowed the magical car from Coolio’s “Fantastic Voyage” video to get them all to the park. They fit in nicely with the 40 scouts and front office guys who were standing behind the plate.

As I recall, that day, Ty threw six innings, struck out 12, and gave up no runs and no walks, with just two hits. One was a double on a ground ball that hit the first base bag, and the other was an infield single. He pitched at 89-90mph most of the game. I might have seen one 91mph fastball. Ty still absolutely dominated overmatched hitters and showed what many people called the best high school changeup in the country, but it was a pretty “blah” outing by his standards. The team won, and we even joked around post-game with Ty and his teammates.

Within a day or two, I had gotten a few texts from scouts. Paraphrasing, they ran the gamut:

“What’s wrong with Beede?”

“Is Beede hurt?”

“Has Beede lost his fire and gotten too comfortable?”

My response was pretty simple: “He’s fine. He’s also 17 years old.”

That Sunday, Ty was in for an in-season lift at the facility. I can distinctly remember our conversation about how – as unfair as it might seem – he would always be held to a different standard than just about everyone else. Expectations of consistency would always be unreasonable, so it was always important to focus on the process and not the outcome. Even Cy Young award winners don’t have their best stuff every time out, but you can’t deviate from the plan for every little hiccup. The secret was to never get too up, and never get too down.

It was in that moment that I think I truly realized that Ty would someday be a big leaguer. Absolutely nothing I said to him came out of left field; he got it.

The next time out, he was back to his old self. A week or two later, in his last start before the draft, he was 93-96mph. He even walked to lead off the game - and then stole 2nd and 3rd as dozens of scouts gasped in terror that a kid with millions of dollars on the line would risk injury. What they didn't seem to realize is that this was all part of being process-driven (competing hard to help the team win) instead of outcome-driven (impressing scouts and getting drafted). Go figure: he led his team to an undefeated season and league championship.

Expecting a teenager to consistently perform at a high level each and every week is unrealistic. Click To Tweet

Every geographic climate is different. Every mound is different. Hitting in a week when you’ve had four exams and are sleep deprived won’t be nearly as easy as it is during vacation week. And having the general manager of your favorite MLB team show up to watch you pitch might even impact your performance a bit.

Teenage athletes are still developing physically, emotionally, neurologically, and socially. It’s why I absolutely abhor mock drafts that shuffle players up and down from week to week based on results and – in many cases – feedback from folks who don’t have the knowledge of physiological and psychological variability to even make valid estimations in this regard. 

And, don’t even get me started on companies that are ranking eighth graders ahead of their peers just because puberty kicked in early and their parents are misinformed enough to shuttle them around to showcases all across the country when they should be preparing their bodies for what’s ahead – and enjoying their childhood. 

This entire experience and the countless erratic performances we see from players of all levels - from high school kids who walk the bases loaded to big leaguers who develop "the yips" - has given me a lot of time to think about just how unrealistic some coaches, parents, and fans are in demanding incredible consistency in performance from throwers. If one of the best high school arms in one of the best draft classes in history had up-and-down performances, you can be sure these struggles are going to extend 100-fold to less prepared pitchers.

To further illustrate this point, I did a little digging last week. As I type this, the three hardest throwers in MLB in 2017 have been Aroldis Chapman, Joe Kelly, and Trevor Rosenthal. Modern technology like Trackman can give us a lot more information than just velocity, though. Pitching release point (extension) is one such piece of information that fits in nicely with this discussion. According to a quick look at Statcast reports on the 50 hardest pitches in baseball this year, here is the variance in extension for those three:

Chapman (20 pitches): 6.5 to 7.2 feet

Kelly (9 pitches): 5.7 to 6.5 feet

Rosenthal (4 pitches); 5.5 to 5.9 feet

With a larger sample size - particularly for Kelly and Rosenthal - we'd likely see even bigger gaps. That said, it's important to recognize that a lot of factors can play into this variability. One MLB front office friend of mine commented to me, "There are a lot of park to park variances, so we have to calibrate raw data." Additionally, pitches may be different from the stretch and wind-up, weather factors may impact extension, and accumulated fatigue plays into it as well. And, extension will be different for different pitches - although that likely doesn't factor in here because we're comparing apples (fastballs) with apples (fastballs). The point isn't that any of this data is absolutely, 100% perfectly accurate. Rather, the message that any way you slice it, the three hardest throwers on the planet - some of the guys who theoretically put themselves in the best possible positions to throw the crap out of a baseball - actually deviate a little bit from their "norm" on a very regular basis. "Repeatable" mechanics aren't perfectly repeatable.

Looking further, check out the 2017 Pitch/Fx fastball velocity ranges for these three guys, as per Fangraphs:

Chapman: 95.4-102.1 mph

Kelly: 96.0-102.0 mph

Rosenthal: 95.5-101.7 mph

(we can bank on these "interpretations" of pitches being accurate, as nobody is ripping off 95-96 mph sliders or changeups)

What do these numbers this tell us? Even in the hardest throwers on the planet, there are actually considerably larger variations in pitch-to-pitch mechanics and performance than most folks realize. Every year, the media becomes convinced that a few dozen pitchers in MLB have "lost it"- and invariably, they all figure it out at some point and it all evens out over the course of a season. Remember a few years ago when everyone told us that Justin Verlander was washed up? Yep, he wasn't.

If we were to extend my aforementioned three-pitcher "study" out even further - particularly to a collection of minor league pitchers who haven't had success on par with these three - I'd be willing to bet that we'd see even more considerable variation. And, it'd be huge if we looked at college pitchers, and massive in high school guys (and younger). 

Anyone who has spent time reviewing data from Motus sleeve measurements can attest to this. Even as the accuracy of the readings has improved dramatically and the sleeves have become an incredibly useful tool, the variability from pitch-to-pitch has remained intriguingly high. You'll see different ranges of motion and joint stresses for two of the same pitch thrown 30 seconds apart. 

Where does all this leave us? Well, above all else, I think we can at least appreciate that even in a very specific closed-loop (predictable) action like pitching, there is still at least subtle variance - and this variance becomes even more dramatic as you go from the professional down to the amateur ranks. Sorry, Dad, but your 11-year-old doesn't have "pristine mechanics;" he is just less inconsistent - and likely more physically prepared - than his peers.

Expanding the discussion to higher levels, a thought process that has recently surged among those "in the know" on social media is that velocity and "stuff" are probably even more important than consistently outstanding command (which would theoretically relate to optimally repeating mechanics). This highlight reel of CSP athlete Max Scherzer during his 20-strikeout game last year shows just how many times he missed his spots.

I'm not saying that command isn't important; professional pitchers definitely miss spots a lot less than amateur ones. I'm just saying that all these factors fluctuate more than we appreciate and it's part of that discussion. Interestingly, command is the one of these three factors most impacted by outside factors: umpire interpretation, catcher's receiving, sweaty palms, pretty girls in the stands, and whether Mom is yelling "super job, kiddo!" from the stands.

Expecting teenagers to consistently repeat their mechanics at a high level - particularly during a period of time when their bodies (and brains) are constantly changing - is absolutely absurd. Far more important is preparing their bodies for all the chaos that sports throws at them. This is done with exposure to a wide variety of athletic endeavors in the youth levels, comprehensive strength and conditioning and arm care, and a broad spectrum of throwing challenges (not just mound work!).

That doesn't mean that it will work to just throw a bunch of poop on the wall to see what sticks. This has become a larger issue of late, as countless kids have assumed "throwing with intent" to be "just try to throw hard."

Very simply, here is the most important message I can deliver to any young pitcher:

Every throw is a chance to get better or worse. Click To Tweet

Treat every throw like you're playing catch with a Cy Young award winner and want to leave a favorable impression in terms of your attention to detail. Don't give up any throws. Even as a teenager - and regardless of who his throwing partner was - Tyler Beede tuned out the world every time he picked up a ball. He was always working on improving or refining something. It's almost like he understood that inconsistency could always sneak up on a pitcher in the blink of an eye, and he wanted to stay ahead of it. Ty didn't become a two-time first rounder or #1 organization prospect by accident. 

Really, more importantly, the take-home message is to be patient with young athletes and pitching success. Practice consistently and train to handle all everything the sport might throw at them. Still, though, remember that some of the best in the world struggle to consistently repeat their mechanics, so you can probably cut that 17-year-old some slack when he throws a 97 mph fastball to the backstop in an All-American game. And, your 11-year-olds can still have post-game ice cream even if they walk seven batters in three innings of work. Being consistent with anything in athletics is challenging, but if you focus on processes instead of outcomes, you'll never be disappointed.

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  • Loren Anderson

    Fantastic post.. Thank you Eric!

  • Sloane

    Great article!!! Thank you Eric for always speaking the TRUTH!!

  • Kenneth Campo

    I love the last line of this article. Appreciate the process instead of outcomes and you’ll never be disappointed. So true and rules to live by especially with a young kid.

  • disqus_5T2jXBEN10

    Scouting 8th graders should be illegal

  • Steve Almonte

    Great article Eric, especially as it pertains to prioritizing the process over the results and coaches’ ACCEPTANCE of amateur pitchers inconsistencies due to the many factors you mention-awesome stuff. I think this article is directed more towards the coaches and parents, yes? Thanks for your work!

  • Great post Eric. It does seem ridiculous how much pressure and half based predictions people try to make of young players. Let them play, and do what they love. Right with ya!


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