Posted by italyprof on 1/2/2013 6:53:00 AM (view original):
When a ball (as opposed to a strike or hit ball) is thrown, a pitcher actually winds up and hurls a sphere at 90 plus MPH. A batter stands there and doesn't do anything.
I did consider that but after giving it some thought I respectfully disagree with you. Even though a hitter isn't swinging on each pitch he is going through every other motion it takes for a major league hitter to make contact with a 90 mph ball. If you watch every batter, they each have a routine they go through prior to each pitch that includes swinging the bat several times (for most hitters, something pitchers don't do), taking a batting stance (typically not a relaxed stance) and then wind up (build energy) for the pitch much like a pitcher does. During the pitchers wind-up and pitch, the hitter is essentially doing the same thing only the hitter has .09 seconds to determine what pitch it is, where it is going, and whether or not to continue his swing or to stop it. And IMO, stopping your swing after you've already wound up for it takes more energy than it did to wind up to begin with and more energy than it takes to finish the swing (that energy has already been spent and just needs to be released). So, IMO, it seems that each pitch a hitter sees should have some effect on each his fatigue. The fact that it doesn't tells me that fatigue favors pitchers over hitters in the SIM but , like I said, I could be missing something that does encompass pitch count but also has a normaliztion value which is why my Eric Davis calculations are off.
That also brought up another question about hitters fatigue. How does the SIM compensate fatigue for defensive replacements or pinch runners who don't accumulate PA's? Does that mean I could draft a 50 G/ 50 PA guy to only pinch run for me, use him in 162 games as a pinch runner, and he will never get tired because he never used a single PA?