Various cheats:

Stadiums:

EA STADIUMS          EA Stadium
DOGPOUND99           Cleveland Stadium
NOTAFISH             Old Miama Stadium
THEHOGS              RFK Stadium
SOMBRERO             Old Tampa Bay Stadium
FOR RENT             Astrodome
OURHOUSE             Tiburon Stadium
STICKEM              Original Oakland Stadium

Teams:

WELCOMEBACK          '99 Cleveland Browns
BESTNFC              NFC All Stars
AFCBEST              AFC All Stars
BOOM                 Madden '98
IMTHEMAN             Stats Leaders
PEACELOVE            All 60's
BELLBOTTOMS          All 70's
HEREANDNOW           All 90's
TURKEYLEG            Madden All Time Greats
THROWBACK            75th Anniversary
GEARGUYS             NFL Equipment Team