Bonus teams:
Enter one of the following entries at the code screen.

Team Code
NFC Pro Bowl BESTNFC
AFC Pro Bowl AFCBEST
All-Madden BOOM
All-Time Stat Leaders IMTHEMAN
60s Greats PEACELOVE
70s Greats BELLBOTTOMS
80s Greats SPRBWLSHUFL
90s Greats HEREANDNOW
All-Time Greats TURKEYLEG
75th Anniversar Team THROWBACK
NFL Equipment Team GEARGUYS
1999 Cleveland Browns WELCOMEBACK
EA Sports INTHEGAME
Tiburon HAMMERHEAD

Bonus stadiums:
Enter one of the following entries at the code screen.

Stadium Code
EA Sports EA_STADIUM
Tiburon OURHOUSE
Cleveland DOGPOUND99
RFK THEHOGS
Original Miami NOTAFISH
Original Tampa SOMBRERO
Original Oakland STICKEM
Astrodome FOR_RENT