Unlimited player points
Go to Player Edit, then Vancouver (USA). Enter "DAVE" (all caps) on any player to enable 99 player points on all categories. The player will jump up and down if you've entered the code correctly.

Cheat
When you start the game go your original team but as the game progresses press start then go to controller select and change your controller to the opisite team then keep on scoreing own goals and when it gets near to the end of the match change back to your original team.