Knockout Kings 2001
Box as Ashy Knucks
Enter "MECCA" as a name in career mode to unlock Ashy Knucks.
Box as Barry Sanders
Enter "MRBARRY" as a name in career mode to unlock Barry Sanders.
Box as Bernando Osuna
Enter "OSUNA" as a name in career mode to unlock Bernando Osuna.
Box as Charles Hatcher
Enter "HATCHER" as a name in career mode to unlock Charles Hatcher.
Box as Chuck Zito
Enter "ZITO" as a name in career mode to unlock Chuck Zito.
Box as David Bostice
Enter "BOSTICE" as a name in career mode to unlock David Bostice.
Box as David Defiagbon
Enter "DEFIAGBN" as a name in career mode to unlock David Defiagbon.
Box as David DeMartini
Enter "DEMART" as a name in career mode to unlock David DeMartini.
Box as Jason Giambi
Enter "JGIAMBI" as a name in career mode to unlock Jason Giambi.
Box as Joe Mesi
Enter "BAILEY" as a name in career mode to unlock Joe Mesi.
Box as John Botti
Enter "JBOTTI" as a name in career mode to unlock John Botti.
Box as Junior Seau
Enter "JRSEAU" as a name in career mode to unlock Junior Seau.
Box as Muhammad Ali
Enter "SBATISTE" as a name in career mode to unlock Muhammad Ali.
Box as Owen Nolan
Enter "OWNOLAN" as a name in career mode to unlock Owen Nolan.
Box as Ray Austin
Enter "AUSTIN" as a name in career mode to unlock Ray Austin.
Box as Steve Francis
Enter "STEVEF" as a name in career mode to unlock Steve Francis.
Box as Trevor Nelson
Enter "NELSON" as a name in career mode to unlock Trevor Nelson.
Signature moves
Press Triangle + Circle to do a boxer's signature move. For example, press
Triangle + Circle with Tua and he will do his devastating left hook.
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.
