I've been playing MLB2K12 recently, and it is very choppy when I play vs my GF on co-op.
The game is brand new, I haven't scratched it or anything like that.
UFC3 is also choppy, brand new, not scratched.
Also anytime there seems to be more AI involved, such as more baserunners on base, the game is increasingly choppy, the pitching and hitting is a complete choppy mess.
Is it because the PS3 is dirty?
Do PS3's just wear down overtime and slow down?
I keep it on a TV stand, it's not enclosed, but possibly getting heated?