SpeX: a simple yet effective index to grade pitchers and estimate future performance.

Some pitching stats, like Called Strikes plus Whiffs (CSW) and Strikeouts minus Walks per inning (K-BB)/IP, are useful to get an initial estimate of pitcher’s performances due to their descriptive capacities, but also because of their predictability qualities, confirmed through their correlation with other stats. As an example, in a constrained data set, CSW and … Read more

World Series Game 4: What to expect from the starting pitchers.

After the first three games in this WS, Dodgers took the advantage and leads 2-1 thanks to a stellar performance by Walker Buehler who kept Rays’ batters on a leash for most of the game. Now, we head to game four and the announced openers are Julio Urias and Ryan Yarbrough, two lefthanded pitchers with … Read more

Trouble with the curve

Sandy Koufax, Bert Blyleven, Satchel Page, Tom Glavine, Barry Zito, Clayton Kershaw: all of them amazing pitchers with a big common thing: they own some of the best curveballs in the game. We are used to seeing Kershaw’s 12-to-6 beautiful curveball, like this one, in action: That was Nick Ahmed being Kershaw’s 2500 lifetime strikeout … Read more

Pitching with advantage.

Picture this: you are an MLB pitcher, finishing your warm-up routine in the bullpen while your team, as visitors, is batting for the first time in the game you are going to be the starter. Between throws, you take a peek at the field and you see movement around the bases; your playmates are getting … Read more

Top 50 Pitchers Kwindex Leaderboard

This is a new update to the Kwindex Leaderboard which tries to provide a look at which are the top SPs for the rest of the season. You will find for every pitcher in the charts his updated rank, their Kwindex, the Ranking Change for the past few weeks changes for them, and a “Movement … Read more

TOP 50 Pitchers Rest Of Season.

This is a new update to the Kwindex Leaderboard which tries to provide a look of which are the top SPs for the rest of the season. Following good advice from @yosoyrorro, I’ve done some changes on the way the relationship between pitchers positions in the leaderboard work and what does their Kwindex indicate. You … Read more