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SAN FRANCISCO - SEPTEMBER 22: Safety Michael Stewart #23 of the Los Angeles Rams and Running back Spencer Tillman #23 of the San Francisco 49ers brawl it up as umpire Hendi Ancich tries to break it up during the game at Candlestick Park on September 22, 1991 in San Francisco, California. The 49ers won 27-10. (Photo by George Rose/Getty Images)

SAN FRANCISCO - SEPTEMBER 22:  Safety Michael Stewart #23 of the Los Angeles Rams and Running back Spencer Tillman #23 of the San Francisco 49ers brawl it up as umpire Hendi Ancich tries to break it up during the game at Candlestick Park on September 22, 1991 in San Francisco, California.  The 49ers won 27-10. (Photo by George Rose/Getty Images)

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28 Jan 1990: Running back Tom Rathman #44 of the San Francisco 49ers runs the ball at Super Bowl XXIV against the Denver Broncos at the Louisiana Superdome in New Orleans, Louisiana. The 49ers won the game 55-10. Mandatory Credit: Rick Stewart /Alls

28 Jan 1990:  Running back Tom Rathman #44 of the San Francisco 49ers runs the ball at Super Bowl XXIV against the Denver Broncos at the Louisiana Superdome in New Orleans, Louisiana.  The 49ers won the game 55-10.    Mandatory Credit: Rick Stewart  /Alls

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NEW ORLEANS, LA - JANUARY 28: Roger Craig #33 of the San Francisco 49ers takes the handoff from quarterback Joe Montana #16 against the Denver Broncos during Super Bowl XXIV on January 28, 1990 at the Super Dome in New Orleans, LA. The 49ers won the Super Bowl 55-10. (Photo by Focus on Sport/Getty Images)

NEW ORLEANS, LA - JANUARY 28:  Roger Craig #33 of the San Francisco 49ers takes the handoff from quarterback Joe Montana #16 against the Denver Broncos during Super Bowl XXIV on January 28, 1990 at the Super Dome in New Orleans, LA. The 49ers won the Super Bowl 55-10. (Photo by Focus on Sport/Getty Images)

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NEW ORLEANS, LA - JANUARY 28: Joe Montana #16 of the San Francisco 49ers runs with the ball against the Denver Broncos during Super Bowl XXIV on January 28, 1990 at the Super Dome in New Orleans, LA. The 49ers won the Super Bowl 55-10. (Photo by Focus on Sport/Getty Images)

NEW ORLEANS, LA - JANUARY 28:  Joe Montana #16 of the San Francisco 49ers runs with the ball against the Denver Broncos during Super Bowl XXIV on January 28, 1990 at the Super Dome in New Orleans, LA. The 49ers won the Super Bowl 55-10. (Photo by Focus on Sport/Getty Images)