Here are some cheats and tips for the game AFL Live 2003.
Cheat mode:
During the bounce up during a game, hold Up + Select + X then
release Select, Up, X (in that order). Replace X with Triangle,
Circle, or Square for different cheats.
Change player names:
Press Start at the main menu, then hold every other button at
the same time. A new screen will appear, where you can select the
team and then the player that you wish to have his name changed.