NBA Live '99 

Flip the ball during a free throw 
Hold R while shooting a free throw to flip the ball before shooting it. -From: videorat02@ameritech.net

Granny free throw 
Hold C-Left while shooting a free throw for a granny throw.

Bonus teams 
Enter the "Rosters" screen and select the "Create Custom Team" option. Then, enter one of the following locations and team names to activate the corresponding team that consists of members of the development staff.

Location Team name 
EA Europals 
Hitmen Coders 
Hitmen Earplugs 
Hitmen Idlers 
Hitmen Pixels 
Hitmen Rebounds