SMALL PLAYERS:
Choose your teams and go to the scouting report screen for the home team. Highlight the continue option and press X. Next, you'll see the scouting report for the away team. Now, press X and press R1 button rapidly until tipoff. Press Start and then press Start again. Every player will now be about half the size they normally are.

BIG HEAD CODE:
Choose your teams and get to the scouting report screen for the home team. highlight the continue option and press X. Next, you'll see the scouting report for the away team. Now, press X and then press the L1 button rapidly and repeatedly until tipoff. After the tipoff, press Start and then press Start again. the players will have huge heads.

SHOT PERCENTAGE CODE:
Choose your teams and then get to the Scouting Report Screen for the home team. highlight the continue option and press X. Next you'll see the scouting report for the away team. Now press X and hold down the L1 button until tipoff (instead of pressing it rapidly). You'll see the player's shot percentage on the screen.

Hidden teams
Press [Left], [Right], [Up], [Down], [R1], [L1], [Square], [Down] at the main menu (where a new season may be selected). The sound of a buzzer will confirm correct code entry. Quickly press [Left], [Right], [Up], [Down], [R1], [L1], [Square], [Up]. The sound of a buzzer will confirm correct code entry. The Left Field Lefties and Monsters teams will now be selectable. The Left Field Lefties team is composed of the developers of the game, the original Left Field staff, who were all left handed.