Ken Griffey Jr. Major League Baseball (SNES)
CheatingDome.com
Extra Teams
At the title screen press A, B, X, Y, UP, DOWN, and SELECT after you complete a season.
Max Skills
At the batting screen, pause the game and press A, RIGHT, DOWN, LEFT, A, and DOWN.
Slow Mode
At the batting screen pause the game and press LEFT A, RIGHT, DOWN and Y. This slows down your OPPONENTS team.