NFL Street 2
10* game breaker
Put XxGBCraZ (as is [with capitals]) in the cheats section of options after you press the circle button.
Ant sized players
Go to the cheats and codes, and press circle, and put in RuinedPicnic.
Big Players
Go to the cheats and codes, press circle and put in BIGSmash.
EA Field
Enter EAField as a code.
Easy interceptions
First, play Jump Ball Battle a lot to get some practice at being able to jump at the correct time. Then, on a real game, when the QB lofts the ball up, use the skills you acquired from Jump Ball Battle to get the easy interception.