Select exhibition game and repeatedly press L2 and R2 to unlock 2 bonus teams.

To Unlock the Austin Dingers in batting practice enter batting practice mode and at the team selection mode enter R1 + R2 + L1 + L2.

Enter exhibition mode, then repeatedly press L2 + R2 until the sound of a dong is heard. The Dingers and Islanders will now be selectable under the 90's teams.

While batting, press Square to change from contact to power. Then, line up the upper corner on the side of the batting triangle with the pitching aid. If you swung at the correct time, 90% of the time you will hit a homerun.

While your playing a game and when choosing a team press L1 or R1 to switch team uniforms.