Andrew McCutchen - Zumapress

Andrew McCutchen had a very solid sophomore year in 2010, but he experienced an extended slump around midseason that dragged his overall numbers down a bit. Anecdotally, at least to my eyes, he seemed to be a little pull-happy during this period. He seemed determined to yank everything into left field, including pitches on the outer half of the plate. This resulted in numerous ground balls to shortstop and third base. Unfortunately, I could not figure out a way to quantify this.

First, let's take a look at McCutchen's slump. Here are his monthly splits. You can see that he struggled greatly in July, despite a season low strikeout rate.

Month
BB%
K%
ISO
wOBA

Mar/Apr
6.70%
17.50%
0.144
0.366

May
12.40%
17.30%
0.163
0.390

Jun
13.60%
20.20%
0.160
0.36...

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