Various cheats
     Enter  these cheat codes when the match-up screen appears as your
game  is  loading by pressing B, Y, and X the required amount of times
shown  in  the  Parenthesis (#) below. B changes the first position, Y
changes the second position and X changes the third position.

Log Bat: B (0) - Y (0) - X (4) Up
Rubber Ball: B (2) - Y (4) - X (2) Up
Extra Time: B (1) - Y (2) - X (3) Up
No Fatigue: B (3) - Y (4) - X (3) Up
Rocket Park Stadium: B (3) - Y (2) - X (1) Up
Roman Coliseum Stadium: B (3) - Y (3) - X (3) Up
16 Softball: B (2) - Y (4) - X (2) Down
Unlimited Turbo: B (4) - Y (4) - X (4) Down
Tournament Mode: B (1) - Y (1) - X (1) Down
Mace Bat: B (0) - Y (0) - X (4) Left
Maximum Speed: B (0) - Y (0) - X (3) Left
Maximum Power: B (0) - Y (3) - X (0) Left
Maximum Batting: B (3) - Y (0) - X (0) Left
Small Heads: B (2) - Y (0) - X (0) Left
Wiffle Bat: B (0) - Y (0) - X (4) Right
Big Heads: B (2) - Y (0) - X (0) Right
Pinto Team: B (2) - Y (1) - X (0) Right
Eagle Team: B (2) - Y (1) - X (2) Right
Lion Team: B (2) - Y (2) - X (0) Right
Horse Team: B (2) - Y (1) - X (1) Right
Todd McFarlane Team: B (2) - Y (2) - X (2) Right
Terry Fitzgerald Team: B (3) - Y (3) - X (3) Right