Cheat Mode:
During the bounce up in game play hold Up + Select + X. Then release, in this order, Select, Up, X. To get different cheats, replace X with Triangle, Square, or Circle. 

Reserve Players:
You have 10 or more reserves at your disposal to replace retired players. 

Easy Play:
On the easy difficulty, pick Brisbane at the Gabba against any other team and you will be unbeatable.