Matchup Screen Cheats
You enter these codes in the VS screen.
321 - No Random Fumbles
432 - Infinite Turbo
132 - Ogre Field
313 - Shadow Players
225 - Snow Field
Unlimited Turbo
Once you select teams, enter the following code to scroll the Blitz icons and unlock unlimited turbo: LX4, BX3, AX2, then R.