That's because that Roy Halladay pitching motion has been in the game since the PS2 days when the animations were terrible.
Speaking of stances and motions, Jorge Posada is finally open at the plate! Good sign. I just wish I could have gotten a glimpse of A-Rod and Jeter at the plate. Oh well, if they fixed that bafoon Posada I'm sure they will do Jeter and A-Rod justice.