Crash Bag Vol. 41: Pitch Framing and Managing

I didn’t get many questions this week (I guess people are more interested in the World Series in the Phillies managerial search. Go figure), so I’ll just do something of a deep dive on the topics I was asked about.

@robertdalton52: How much of a difference does pitch framing make? Do the umps call strikes and balls based upon pitcher/catcher, and batter reputations?

The first part of this question is somewhat well-tread ground in sabermetrics. Pitch framing was always thought to be somewhat valuable, like blocking pitches, but research indicated that the overall spread in pitch framing value added was actually more on the order of wins than runs. According to Baseball Prospectus, the top pitch framer last year was Tyler Flowers, who produced 25.1 runs, or roughly two and a half wins, above average, while the worst surprisingly was former framing superstar Jonathan Lucroy at -17.7 runs. So the spread there was more than four wins. Continue reading…