The Blue Jays acquired Chase Anderson from the Milwaukee Brewers yesterday. Anderson comes to Toronto as a reliable innings eater, throwing around 140-150 innings with an ERA around four each season. He brings with him a five pitch mix, most notably an elite changeup.
Using Fangraphs Pitch Type Linear Weights Anderon’s changeup has been worth 28.6 runs above average since he joined the league in 2014, a total that places him 18th in the league. He threw the change 23.3% of the time last season, his second most used pitch behind his four-seamer (41.7%). It was his most effective pitch last season, batters hit just .188 and had a 31.2 whiff rate, both tops among his five pitches.
There are two things that make this pitch so effective. It’s spin and movement. Anderson’s changeup has an average spin rate of 2311 rpm’s, per Baseball Savant, which ranked 14th among pitchers who threw at least 250 changeups. All that spin keeps the pitch on the same plane, Anderson’s pitch had three inches less drop and 9% less drop than similar changeups. This movement is similar to …
Author: Paul Berthelot / Blue Jays Nation