Cheat menu
Enter the options menu and select "Gameplay". Hold D-pad Left + Left Analog-stick Right and press Start. The "Codes" selection will now be unlocked at the options menu.

Hint: Intentional fouls
When you are down by a few points, press L1 + R2 to call the defense to create an intentional foul. Use this as a strategy to try and tie the score to go to overtime, assuming the opponent will miss the free throws.

Hint: 100 rated created player
To get a 100 rated created player (any position), enter the following stats.

Ballhandling: 9.0
Passing: 8.0
Freethrows: 0.5
Shooting: 9.0
3 pt. shooting:10.0
Dunking: 8.0
Low post: 1.5
Offensive reb.: 10.0
Defensive reb.: 10.0
Blocking: 8.0
Steals: 7.0
Speed:10.0
Stamina: 9.0