At the 'Main' menu go to 'Features' and select 'Codes' and enter the following codes (without the quotes) to enable the corresponding effect.

+10 Team Chemistry (My Career Mode):
Enter 'throwuptheoop'

+3 to Ball Handles:
Enter 'Spriteeffect'

+5 Dunk (My Career Mode):
Enter 'top5dunks'

+50,000 Fans (My Career Mode):
Enter '50,000runondunkin'

3,000 VC:
Enter 'blacktop3000'

Unlock ABA Basketball:
Enter 'payrespect'

UA Tourch Shoes:
Enter 'underarmour'