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. From: 

Box as Steve Francis 
Enter "STEVEF" as a name in career mode to unlock Steve Francis. 

Box as Trevor Nelson
Enter "NELSON