Wednesday, July 21, 2010
Change in number of pitches thrown
Joe Kerrigan is reported to have said:
Kerrigan commented that the average game in 2010 required about 30 more pitches to complete than an average game did 20 years ago.
We actually have pitch count numbers for a bit over the last 20 years. I don’t have my numbers handy (but I will run them tonight, unless someone beats me to it), but the number of pitches per batter was around 3.6 twenty years ago and around 3.8 today. If you figure around 38 batters back then and 39 batters today, per 9 IP, and we’re at 274 pitches per 9IP for two teams twenty years ago and 296 today. That’s a difference of 22 pitches. Thirty sounds like a stretch.
The reason is batters are taking more pitches, and the question is why are they taking more pitches. Is it because of hard throwers, and so, they are just waiting it out? Is it that they have become more patient? Is it that teams are finding more patient hitters?


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