Skip playoff games:
Select a playoff game and press Start. All games will be flagged as finished. Move right and press Start again. Repeat this procedure until the final game is reached.

Hidden teams:
Press A, C, A, C, B, A, C, A, C at the team selection screen to unlock the Jaguars and the Cheetahs. Look at the team comparisons before the game to see that they are perfect in everything.