I’m going to take a quick assessment of the relationship between velocity and whiffs does the harder a pitcher throws correlate with higher swings and misses?Ībove is a collection of 370 pitchers who’ve thrown at least 2500 four-seam fastballs since 2015 (Chapman is on the upper far-right of the scatterplot). Since there is much more subjectivity to actual contact, we’re going to stay with the desired outcome of missing bats as our focus. Regardless, with all the high-90’s velocity, the ability to differentiate is razor thin.įS fastballs are known for their two most common events the whiff and the fly ball. Obviously, we can’t punish relievers for pitching less but you also have to take into consideration that starters (generally) appear no more than once a week (though they still throw a lot more pitches on average). We have Yankees’ starter, Luis Severino, well ahead of the pack with Miami Marlins reliever Tayron Guerrero and Anaheim Angels’ pitching version of Shohei Ohtani following well behind. But, the events are what differentiates the top 10.
We can see minor velocity variance a standard deviation of 0.66 MPH. Note that Felipe Rivero of the Pittsburg Pirates is now known as Felipe Vazquez. I gif’d the wOBA leader Pedro Baez of the Los Angeles Dodgers as he demonstrates the effectiveness of his four-seam fastball 98.2MPH, 2364 spin rate, and a -2.4″ horizontal movement.īelow are the current four-seam fastball average velocity leaders (minimum 15 batted ball events/pitches). I set the starting point at 98 MPH as it’s on the high end of the fastball spectrum with an ideal concentration of pitchers. Placing the at-bat threshold at 100, I looked into the three-year rolling average for the top-25 pitchers in terms of weighted on-base average when a pitcher throws at least 98 MPH and results in an event (strikeout, ball in play, etc). So, in a baseball world gripped by velocity, how has the FS fastball been working for power pitchers in 2018? I’ll take a look back at the previous few seasons worth of data, then talk about how effective the current hardest throwers are fairing using basic Statcast data. Two-seam fastballs have the advantage of more movement, but slower speeds these pitches sometimes get pegged as ’sinkers’. Without dropping much of a bombshell, both four and two-seam fastballs dominate the velocity leaders with a couple of cutters and sinkers thrown in.įour-seam fastballs are the most prominent in the league and account for the fastest pitches in baseball. Both account for the 12 fastest, with Chapman primarily a four-seam fastball pitcher and Hicks using the two-seam. Louis Cardinals own the lions share of those pitches. Veteran Aroldis Chapman of the New York Yankees along with new kid on the block Jordan Hicks of the St. SAs of April 11th, there have been 31 pitches recorded at 100MPH+ within the first 15 games of the Major League Baseball season. We look for the swiftest runners (on-base and defensively), quickest catcher pop-time, hardest exit velocity, and fastest pitch speed.
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