Christian Scott's remarkable transformation from a promising but inconsistent pitcher to a dominant force on the mound is a testament to the power of strategic pitch mix adjustments. In 2024, Scott's overall Stuff+ grade was 100, but this season, he has taken his game to a whole new level with a Stuff+ rating of 108. This is a significant achievement, especially considering the small sample size of just 11.3 innings and 199 pitches. What makes this even more impressive is that Scott's rotation mate, Nolan McLean, has the same overall Stuff+ grade.
So, what's the secret behind Scott's success? The answer lies in his revamped pitch mix, which includes two new pitches. He replaced his slider with a cut-fastball, a move that has allowed him to attack left-handed hitters more effectively. Scott's platoon splits as a rookie were a problem, with lefties performing better than righties. This year, however, lefties are struggling against Scott, who is using his cutter 34% of the time. Additionally, Scott is sprinkling in a two-seamer, which is slower than his four-seam and runs inside to right-handed hitters.
One of the key factors in Scott's success is his ability to add multiple fastball shapes to his repertoire. These fastballs are thrown at similar speeds and out of a similar window, but they have vastly different movement profiles. This makes it nearly impossible for hitters to match their bat path to the pitch, as there's no spin or velocity difference to pick up on. In 2024, Scott's four-seam fastball had a .265 BA and .388 SLG, but this season, it has improved to .158 BA and .211 SLG, thanks to an increase in velocity.
Scott's sweeper, his best breaking pitch, is also moving differently. It's thrown slower, down from 83.2 mph to 81.4 mph, but that's not a bad thing. Slower pitches tend to break more, and Scott's sweeper averages 17.5 inches of horizontal break, which is four inches more than what he averaged in '24. This added break allows Scott to continue to work horizontally across the plate, complementing his existing traits.
The work that Scott put in during his rehab to revamp his pitch mix is paying off. From a 'stuff' perspective, he is a better pitcher, and this certainly bodes well for the Mets, who will continue relying on their rotation to help dig their way out of an early-season hole. However, it's important to note that Scott's success is not just about his pitch mix. It's also about his ability to execute those pitches effectively, and that's where his hard work and dedication come into play. Personally, I think that Scott's transformation is a fascinating example of how strategic pitch mix adjustments can elevate a pitcher's performance. It's a testament to the power of innovation and adaptability in the world of baseball.