So I went out and got a copy of The Show 2010 last night, and although I only got to play 1 game (due to my girlfriend coming over to my place 
) I must say it was awesome. I started a franchise with the Nats, but was sad to see that Stras isn't on the roster just some made up player who wasn't nearly as good.
Stras isn't allowed on the roster due to MLBPA rules. You must have appeared in a game before you are allowed to be a member of the MLBPA and thus be able to have your rights in a video game.
