Since Miller Park has not become a PITCHf/x park yet, there isn't a lot of Sheets data - just three road games. But both Sheets and Zambrano had starts in Dodger Stadium within a few days in late May that we do have.
y0 was 55 ft. at that time, in Dodger Stadium, not the 50 that is in use at Wrigley and Chase Park I used in the Rich Hill and Micah Owings posts.
| Inn | H | R | ER | BB | K | PC | ||
| Sheets | May 22 | 6.1 | 4 | 3 | 2 | 1 | 5 | 87 |
| Zambrano | May 26 | 7.2 | 8 | 2 | 2 | 1 | 8 | 125 |
Now for the good stuff
Release and Speed
Both throw pretty hard, from different "release points" (55ft. from home)
When you break down speed a little more, things look different
Movement
Two things pop-out when we look at pfx_x and pfx_z. You start to get an idea that the positive z numbers have a lot of downward movement (the pfx_z values are gravity adjusted). And Sheets has a much tighter grouping - at least when velocity isn't considered.
Now we're starting to see things - different breaks, different velocity distributions.... I'll be back tomorrow with a look at tonight's (lousy) game and more on what they throw.
Update:
A better view of velocity
2 comments:
Good work, Harry.
Incidentally, according to the radar gun at Wrigley Field, Zambrano actually hit 98 a couple of times in the first inning last night. But for the rest of the game, he was rarely if ever above 94.
Check out what Baseball Reference's "Stat of the Day" has to say about new pickup Craig Monroe
here (not so flattering).
Cool stuff. I find the chart of vertical/horizontal breaks interesting -- Sheets' are much more consistent than Zambrano's. That matches the knowledge that Sheets walks fewer batters than Zambrano.
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