Wait until a pop fly to the outfield is hit by your opponent. Allow the ball to drop, then pick it up. Hold Z and press C-Up to run into the infield with the ball. Then, press C-Right, C-Up, C-Left, C-Down, C-Left, C-Up, C-Down, C-Right, C-Up, C-Left, C-Down to throw the ball to various bases. If you entered the code correctly, the crowd will boo. Then, intentionally ignore the next ball that is hit into the outfield, and repeatedly tap A or B to fly.
Start A Fight
Hold C-Left + C-Right + C-up + C-down and press Z after your batter is hit by a pitch.
Automatic Homerun (only For Ken Griffey Jr.)
When Ken Griffey Jr. is up to bat hit start and on the d-pad move left, left, right, right, right, left, left and if you swing and have contact on the ball you will hit it over the left field wall.
Highlight the "Exhibition" option and repeatedly tap C-Left + C-Right + C-Up + C-Down. If you entered the code correctly, you will hear a sound. Then, select the "All-Star teams" option to access the Nintendo and Angel Studios teams.
While in the batter's box, press Right, Left, Down, Right, Left, Up, Right, Left, Down. Then your batter will explode and reappear after the next pitch.
While in the batter's box, press Up(2), Down, Left(2), Right(2), Left(2), Down, Up(2).
While on the pitching mound, press Up(2), Down, Left(2), Right(2), Left(2), Down, Up(2).
View Ending Sequence
Select exhibition mode, and choose the same team as home and visitor. Then at the stadium selection screen, press C-Left, C-Right, C-Left(2), C-Right, C-Down, C-Up, Z. If you entered the code correctly, you will hear a sound.
Alternate Uniform Color
Select exhibition mode, then at the team selection screen, repeatedly tap C-Left + C-Right + C-Up + C-Down.