Part of what makes watching baseball a good experience is many players find new ways to play the game. Aside from subtle appearance differences, all of the players in OOTP XX are the same.
Rey Ordonez's signature move at SS in the hole...
Rickey Henderson's famous crouched batting stance and lead off first base.
Many of the pitchers' deliveries
Many of the batters' swings & stances.
I know it started as a rather statistical-driven engine for accuracy in outcomes, (and other cool features you've added) but I think it would be a decent time possibly to work on animation engine.
Please help the players move differently on the diamond!