To be fair, let's go to the last of the Super Bowl rosters. There had been quite a bit of turnover by then, and the following players started:
Offense
Player Pos
Hull, Kent C
Davis, John G
Parker, Glenn G
Ballard, Howard T
Fina, Joihn T
Metzelaars, Pete TE
Beebe, Don WR
Brooks, Bill WR
Reed, Andre RB
Thomas, Thurman RB
Kelly, Jim QB
Defense
Player Pos
Wright, Jeff NT
Hansen, Phil DE
Smith, Bruce DE
Patton, Marvcus OLB
Talley, Darryl OLB
Bennet, Cornelius ILB
Maddox, Mark ILB
Odomes, Nate CB
Washington, Mickey CB
Kelso, Mark FS
Jones, Henry SS