Choose Anaheim, Boston, Chicago, Tampa Bay, or the New York Rangers as a visiting team. Then on the setup screen, select the ''Start Game'' option and hold Right + Square until the game begins. Now the players from those visiting teams will be wearing their third jerseys.
Select exhibition or practice mode. Then at the team selection screen, press L1, L2, Square to enable the New York Sports, Salt Lake Frosties, or Canton Michigan Ratpack teams. Several other teams may be enabled by highlighting one of the existing teams and entering one of the following codes to play as one of these old school teams.
At the team selection screen, select exhibition or practice mode, then press these buttons