The following are known Action Replay Codes for VR Baseball 99 on Sony Playstation (PS1).

The codes should work with the region specified but may work for other regions as well.

Device Compatibility: Action Replay, CodeBreaker & GameShark

Away Team Scores 0
8007990c0000

Away Team Scores 50
8007990c0032

Home Team Scores 0
800799080000

Home Team Scores 50
800799080032