The following are known Action Replay Codes for NFL Quarterback Club 98 on Nintendo 64 (N64).

Device Compatibility: Action Replay & GameShark

Home Team Scores 100
80301f010064

Home Team Scores 0
80301f010000

Away Team Scores 100
80301e210064

Away Team Scores 0
80301e210000

Infinite Time To Choose Play
800a67390028

Infinite Time Outs Away
8004c62e0003

Infinite Time Outs Home
8004c0b60003

No Time Outs Away
8004c62e0000

No Time Outs Home
8004c0b60000

Infinite Character Creation Points
81072f30015e
800aecd30090