Cheat Access:

Enter one of the following at the create a boxer screen. Use these codes to unlock

hidden boxers:

SEAU     -Junior Seau   
GIAMBI   -Jason Giambi   
NOLAN    -Owen Nolan   
FRANCIS  -Steve Francis   

SANDERS  -Barry Sanders   
EYE      -Cyclops   
CLOWN    -The Clown   
GORE     -Gorilla   
BULLDOG  -Bulldog 
Baby     -Unlock a giant baby 
100%     -Get a 100 points for all your stats
Knucks   -Ashly Knucks

Hints

Signature Moves:

Press Triangle + Circle to do a boxer’s signature move.

Bite Opponent’s Ear:

During a match, hold L1 + R1 to clinch your opponent and press Triangle + Circle

+ X + Square.

Illegal Head Butt:

During a match, hold R1 + R2 and press Triangle.

Illegal Low Punch:

During a match, hold R1 + R2 and press X.

Illegal Kidney Punch:

During a match, hold R1 + R2 and press Circle.

Illegal Elbow:

During a match, hold R1 + R2 and press Square.

Illegal Kick:

During a match, press Triangle + Circle + X + Square.

Thanks to Revolution readers paul acain, and Joe!