| Knockout Kings 2001 |
| Select the career mode and enter any of the following codes as your boxer name to unlock secret caracters. MECCA- Unlock Ashy Knucks MRBARRY- Unlock Barry Sanders JGIAMBI- Unlock Jason Giambi JRSEAU- Unlock Jr. Seau OWNOLAN- Unlock Owen Nolan STEVEF- Unlock Steve Francis ZITO- Unlock Chuck Zito JBOTTI- Unlock John Botti DEMART- Unlock David De Martini BAILEY- Unlock Joe Mesi AUSTIN- Unlock Ray Austin HATCHER- Unlock Charles Hatcher BOSTICE- Unlock David Bostice OSUAN- Unlock Bernando Osuna NELSON- Unlock Trever Nelson |