The following are known Action Replay Codes for All-Star Baseball 2001 on Nintendo 64 (N64).

Device Compatibility: Action Replay & GameShark

Big Ball Mode
800296320001

Ball Trail Mode
800296360001

Tom Thumb Mode
8002963a0001

Infinite Creation Points
8110534042ba

Infinite Pitch Type Points
81105a544200

1 Ball And You Walk
d106a2760000
8106a2760003

1 Out And You Are Out
d106a27a0000
8106a27a0002

1 Strike And You Are Out
d106a2780000
8106a2780002

2 Balls And You Walk
d106a2760000
8106a2760002

2 Outs And You Are Out
d106a27a0000
8106a27a0001

2 Strikes And You Are Out
d106a2780000
8106a2780001

3 Balls And You Walk
d106a2760000
8106a2760001

Away Team Scores 0
80060d0b0000

Away Team Scores 50
80060d0b0032

Home Team Scores 0
800599830000

Home Team Scores 50
800599830032

Infinite Balls
8106a2760000

Infinite Strikes
8106a2780000