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TORONTO (AP) -- For Yankees manager Joe Girardi , too much tinkering with an underperforming lineup can be a dangerous game, like trying to time the market.
Andre Ethier has been overshadowed the past few years by Matt Kemp but with Kemp now on the DL, it will be up to Ethier to keep the first-place Dodgers rolling, writes Ben Reiter.
On Monday, my research colleague, Dan Wade, described a new study that showed little correlation between pitch count and performance. Let's stick another fork in pitch counts; this time with a study led by Dr. Glenn Fleisig of ASMI, from 2007. This study showed that there's not much of an effect on pitching mechanics based on pitch counts. Using motion capture data, the researchers were able to show that pitchers didn't significantly change their mechanics or increase the joint loads as the pitch counts got higher, to as much as 135 pitches. The most notable conclusion from this is that torso tilt might be a significant measure of fatigue. It's not something that can be tracked by PitchFX, but there are systems that could do it. One team uses a simple camera to track mechanics -- it's mounted on the back wall and takes a picture with each pitch, remotely triggered. They can overlay the picture on the computer and see mechanical changes. This camera is actually looking for tips, but could be used to track tilt or other measures of fatigue.
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