At the main menu, select the Features option, choose the Codes selection, then enter one of the following codes to activate the corresponding cheat function:

Topps NBA 2K7 team
Enter topps2ksports as a code to unlock the Topps NBA 2K7 team.

Infinite stamina for one game
Enter norest as a code.

Maximum durability for one game
Enter ironman as a code.

ABA ball
Enter payrespect as a code.