NBA Jam

Various Cheats
Enter these at the "Tonight's Match-Up" screen:
Key:;
S - Square
C - Circle
T - Triangle
X - X
R - Right / L - Left / U - Up / D - Down
Effect
Code
Big Heads
T, S, X, C, and keep repeating
Huge Heads
T, C, X, S, and keep repeating
Power-Up Defense
R, U, D, R, D, U
Max Power
R, R, L, R, X, X, R
Quick Hands
L, L, L, L, C, R
Power-Up - 3 points
U, D, L, R, L, D, U
Raindow Shots
U, D, U, D, R, U, C, C, C, C, D
Baby Mode
S, C, and keep repeating

Extended Rosters
When you select your team, press Select and move the D-Pad counterclockwise twice. You will see the message "Extended Rosters" on-screen if done correctly.