Pause the game during the opening face off and select the replay option. Then, press L or
R to cause a player to flash. Now while the player is flashing, press Z to make him
invisible. The entire team can be modified in this manner.

On the main menu, highlight practice mode and press A on controllers one and two
simultaneously.

At the options screen, hold L and press C-Down(2), C-Up(2), C-Down(2), C-Right(2), C-Down.
If you entered the code correctly, the eight digit of the "Specials" option will change to
the number "1". Then, return to the main menu, select the records option and enter the
team stats screen. Now press C-Up(10). A modify teams menu will appear. Highlight a team
and press A, highlight a second team and press A again. The first team's roster will
appear on the left side of the screen. Press B to change the team on the right side of the
screen. Press Up or Down to highlight the player to be replaced; press Left or Right to
highlight the replacement player. Press A to make the trade. Press Start to advance to the
next team to modify. Note: Only two custom teams can exist at once.

Turn on the game and tap A or B before pressing Start, until the credits appear.

At the options screen, hold L and press C-Right, C-Left(2), C-Right, C-Left(2), C-Right,
C-Left(2). If you entered the code correctly, the tenth digit of the "Specials" option
will change to the number "1". Now the Williams Entertainment, Canada, USA, and 99er teams
will be available for selection.