The following are known GameShark Codes for MLB 2001 on Sony Playstation (PS1).

• Infinite Outs
  800B9270 0000
• 1 Out And You Are Out
  D00B9270 0000
  800B9270 0002
• 2 Outs And You Are Out
  D00B9270 0000
  800B9270 0001
• Infinite Strikes
  800B9272 0000
• 1 Strike And You Are Out
  D00B9272 0000
  800B9272 0002
• 2 Strikes And You Are Out
  D00B9272 0000
  800B9272 0001
• Infinite Balls
  800B9274 0000
• 1 Ball And You Walk
  D00B9274 0000
  800B9274 0003
• 2 Balls And You Walk
  D00B9274 0000
  800B9724 0002
• 3 Balls And You Walk
  D00B9724 0000
  800B9724 0001
• Away Team Score Modifier
  3001D49B 00??
• Away Team Hits Modifier
  3001D494 00??
• Away Team Runs Modifier
  3001D495 00??
• Away Team Errors Modifier
  3001D496 00??
• Home Team Score Modifier
  3001D458 00??
• Home Team Hits Modifier
  3001D452 00??
• Home Team Runs Modifier
  3001D453 00??
• Home Team Errors Modifier
  3001D454 00??
• Run’s Score Modifier
  300808FC 00??
• Infinite Creation Points
  801DCC48 00FF
• Infinite Pitcher Points
  801DCC4C 00FF