SAN DIEGO, CA - NOVEMBER 18: Running back Franco Harris #32 of the Pittsburgh Steelers watches from the sideline during a game against the San Diego Chargers at Jack Murphy Stadium on November 18, 1979 in San Diego, California. The Chargers defeated the Steelers 35-7. (Photo by RH.Stagg /NFL Photos)

PITTSBURGH, PA - DECEMBER 23: Runnig back Franco Harris #32 of the Pittsburgh Steelers eludes safety Jack Tatum #31 and defensive tackle Otis Sistrunk #60 Oakland Raiders after catching the Immaculate Reception in the AFC Divisional Playoff Game on December 23, 1972 in Pittsburgh, Pennsylvania. The Steelers defeated the Raiders 13-7. (Photo by Pro Football Hall Of Fame/NFL Photos)

Pittsburgh Steeler Hall of Fame quarterback Terry Bradshaw hands off to Hall of Fame running back Franco Harris in a 16-6 win over the Minnesota Vikings in Super Bowl IX on January 12, 1975 at Tulane Stadium in New Orleans, Loiusiana. Harris was named the game's MVP with a Super Bowl rushing record of 158 yards. (Photo by Sylvia Allen/NFL Photos)

Pittsburgh Steelers Hall of Fame running back Franco Harris gloats after scoring a touchdown in a 35-31 win over the Dallas Cowboys in Super Bowl XIII on January 21, 1979 at Orange Bowl. (Photo by Bill Smith/NFL Photos)

Dallas linebacker Lee Roy Jordan tackles Pittsburgh Hall of Fame running back Franco Harris in the Steelers 21-17 win over the Cowboys in Super Bowl X on January 18, 1976 at the Orange Bowl in Miami, Florida. (Photo by Vernon Biever/NFL Photos)

Pittsburgh Steelers Franco Harris (right) with Lynn Swann at Harris's induction into the Pro Football Hall of Fame on August 4, 1990. (Photo by Al Messerschmidt/NFL Photos)

Hall of Fame running back Franco Harris of the Pittsburgh Steelers leaves the field following the Steelers 35-31 victory over the Dallas Cowboys in Super Bowl XIII on January 21, 1979 at the Orange Bowl in Miami, Florida. (Photo by Ross Lewis/NFL Photos)

LOS ANGELES - OCTOBER 7: Running back Franco Harris #34 of the Seattle Seahawks watches from the sideline during an NFL game against the Los Angeles Raiders on October 7, 1984 at the Los Angeles Memorial Coliseum in Los Angeles, CA. The Raiders defeated the Seahawks 28-14. (Photo by NFL Photos)

GREEN BAY, WI - OCTOBER 21: Running back Franco Harris #34 of the Seattle Seahawks runs past defensive end Donnie Humphrey #79 of the Green Bay Packers at Lambeau Field on October 21, 1984, in Green Bay, WI. The Seahawks defeated the Packers 30-24. (Photo by Vernon Biever/NFL Photos)