The following are known Action Replay Codes for Sports Illustrated for Kids: Football on Nintendo Game Boy Advance (GBA).
These codes were also known as GameShark Codes and in most cases will work on both devices.

These codes are for the U.S. version of the game.

Master Code – Must Be On
cafa9bd0
b90fcb43
39336d25
e9ca67cd

Infinite Game Time
2d5a3fc6
0077e85d

Always 1st Down
e9df94f0
ebb7223b

Always 1st Quarter
c7bd7cfb
fa59a889

Away Team Scores 0
a67a8ad3
7600758e