Enter the following codes at the main menu.

Effect	Code
Acclaim/Iguana teams	Y, A, X, Y, Down, B, Left, Y, Up, Right.
All Hidden Teams	X, Left, X, Left, B, A, B, Y, Down, A.
All-Pro teams	B, Up, Left, A, X, Right, Up, B.
Jaguars/Panthers	Up, Down, X, Y, Left, Up, B, A, Down, Y.