All-Star Baseball 2002 Cheat Codes for Playstation 2

Get the superteam dingers
To get the superteam dingers in batting practice, go into batting practice. Next go to the player select. All at once press R1 + R2 + L1 + L2. If you do this right the screen should switch to the dingers team.
Submitted by: Saad

Bonus teams
Enter exhibition mode and repeatedly press L2 + R2 until you hear a "dong". This will unlock the Dingers and Islanders under the 90's teams.

Alternate uniforms
Press L1 or R1 in exhibition mode.
Hold L2 + R2 to select alternate jerseys.
Submitted by: Saad

For alternate uniforms during season mode, press L1 or R1 + Up or Down at the controller selection screen. Note: This can only be done on a Sunday.

Hit more homeruns
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 swung at the correct time, 90% of the time you will hit a homerun.
Submitted by: Saad

Always steal second base
Get a baserunner on first and third base. Attempt to steal second base and the CPU will always throw to third base.

Super fastball
Pitch with Randy Johnson and select his fastball. Aim it as low as it can go in the strike zone. Hold X (his fastball) and bring it up towards the middle of the strike zone. The pitch will as fast as 100 to 105 mph.