KEN GRIFFEY JR.'S SLUGFEST shrinks the action in Major League Baseball and puts it on the Game Boy Color. You can play as any Major League team, each with complete rosters, thanks to a MLBPA license. After picking a team, play a game in the Exhibition, Season, or World Series modes. See if you can keep up with all of the Major League Baseball action in KEN GRIFFEY JR.'S SLUGFEST.