At the create a player screen type the following
names:

AT_MADDEN     (_ is a space)   All Time Madden Team
SIXTIES       Team of the 60's
SEVENTIES     Team of the 70's
EIGHTIES      Team of the 80's
HOWLIE        AFC Pro Bowl '96-'97
SAN MATEO     A new stadium (The EA Stadium).
TIBURON       Best Team
ELEC ARTS     Electronic Arts team 
LEI           1996 NFC Pro Bowl Team
STATS MEN     Statistical Leaders Team
MAITLAND      Tiburon Spots Complex