Monday, May 18, 2009
Dave Allen meets Dave Cameron
In the spirit of previous winners of “my favorite saberists” (Dan Fox, 2006; John Walsh, 2007; Mike Fast, 2008; no offense to the dozens of other super-high quality saberists that I rave about… I should probably give out awards every quarter), Dave Allen is pulling ahead with his relentless attack on multiple sites, using PITCH f/x, and tying Linear Weights run values to pitches. This time, he talks with Dave regarding the particular platoon splits based on the two-seamer and sinkers:
This analysis includes two-seam fastballs and sinkers, which are hard to differentiate with the pitchf/x data. These fastballs are typically low in the zone, rise less than other fastballs (so the appear to ’sink’ to batters) and tail in to same-handed batters 10 inches on average, more than any other pitch type. I am not sure why they show such a large platoon split, but I think the large horizontal movement probably plays a big role.
No matter the reason, as you have said before righty dominated lineups make mediocre two-seam throwing pitchers look amazing.
This is the kind of useful, actionable analysis that is the future of PITCHf/x.


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