Pittsburgh Steelers wide receiver Lynn Swann goes up to make a catch over Dallas Cowboys cornerback Mark Washington in the Steelers 21-17 win over the Cowboys in Super Bowl X on January 18, 1976 at the Orange Bowl in Miami, Florida. (National Football League)

Pittsburgh Steelers coach Chuck Noll shows off Super Bowl XIV trophy to a crowd of about 1,000 at the Pittsburgh airport Monday night, Jan. 21, 1980. Most of the players, who are not in the Pro Bowl returned Monday night from Pasadena, where they beat the Rams 31-19 on Sunday. (Associated Press)

Los Angeles Rams defenders Nolan Cromwell (21) and Pat Thomas (27) arrive too late to prevent Pittsburgh Steelers receiver Lynn Swann from making one of his patented leaping pass receptions. Action came on Sunday during Super Bowl XIV in Rose Bowl Stadium on Jan. 21, 1980 in Pasadena, Calif. Steelers; aided by a Swann touchdown reception, beat Rams, 31-19. (Associated Press)

Pittsburgh Steelers quarterback Terry Bradshaw cocks arm to pass during Super Bowl XIV action in Rose Bowl stadium in Pasadena, California on Sunday, Jan. 21, 1980. Bradshaw led the Steelers to a 31-19 win over the Los Angeles Rams, giving the Pittsburgh team their fourth Super Bowl win. (AP Photo/Suzanne Vlamis)

Pittsburgh Steelers linebacker Jack Lambert manages a gap-toothed smile during a sideline break in Sunday's Super Bowl XIV meeting with the Los Angeles Rams in Pasadena, Calif., Jan. 21, 1980. (AP Photo/Rusty Kennedy)

Pittsburgh Steelers receiver John Stallworth (82) makes a touchdown ahead of Los Angeles Rams defender Rod Perry (49) during the fourth quarter of Super Bowl XIV in Pasadena, Calif., Jan. 20, 1980. (Associated Press)

Pittsburgh Steelers wide receiver John Stallworth (82) pulls in Terry Bradshaw pass, Jan. 20, 1980 for a fourth quarter touchdown against Los Angeles Rams in Super Bowl XIV in Pasadena, Calif. Defending for the Rams are Nolan Cromwell (21) and Rod Perry (49). Steelers won, 31-19. (AP photo/stf)

Pittsburgh Steelers linebacker Jack Lambert (58) comes down under the foot of Los Angeles Rams receiver Ron Smith (84) after Lambert intercepted Rams pass in fourth quarter of Super Bowl XIV Sunday, January 20, 1980 in Pasadena, California. Lambert's interception helped spark Steelers 31-19 win. (AP Photo/stf)

Pittsburgh Steelers' Sidney Thornton (38), Rocky Bleier (20), Terry Bradshaw (12) and Randy Grossman (84) congratulate themselves after whipping the Houston Oilers, 27-13, in AFC championship game, Sunday, Jan. 6, 1980 at Pittsburgh. The Steelers will play in the Super Bowl against the winner of the Los Angeles and Tampa Bay NFC game. (Associated Press)

Pittsburgh Steelers quarterback Terry Bradshaw winds up to fire a pass during Super Bowl XIII against the Dallas Cowboys in Miami Jan. 21, 1979. Bradshaw fired four touchdown passes and shattered two Super Bowl passing records in leading the Steelers to a 35-31 win over the Cowboys. At left, is Steelers Franco Harris and at right Cowboys Thomas Henderson (56). (Associated Press)

Pittsburgh Steelers quarterback Terry Bradshaw sits on the bench as the rest of his team watches the closing minutes of the XIII Super Bowl, in Miami, Fla, on January 21, 1979. The Steelers defeated the Dallas Cowboys 35-31. (AP Photp/Harry Cabluck)

Pittsburgh Steelers quarterback Terry Bradshaw holds up one finger, indicating his team is No. 1, in the closing minutes of the Super Bowl, in Miami, Fla, on January 21, 1979. The Steelers defeated the Dallas Cowboys 35-31. (AP Photo/Harry Cabluck)

Pittsburgh Steelers wide receiver John Stallworth (82) goes high to haul in a pass from Terry Bradshaw and score the first Steeler touchdown against the Dallas Cowboys in the first quarter of Super Bowl XIII in Miami, on Jan. 21, 1979. (Associated Press)

Pittsburgh Steelers wide receiver Lynn Swann pulls in a pass from quarterback Terry Bradshaw during Super Bowl game in Miami, Fla. Sunday, Jan. 21, 1979. (Associated Press)

Pittsburgh Steelers quarterback Terry Bradshaw (12) turns around with the ball after the snap to hand the ball to an open receiver during action against the Dallas Cowboys in Super Bowl XIII action in Miami, Fla., Jan. 21, 1979. Steelers running back Rocky Blier (20) is at right. The Steelers went on to defeat the Cowboys 35-31. (Associated Press)

Pittsburgh Steelers running back Franco Harris holds the ball over his head as he races into the end-zone to put the Steelers ahead of the Cowboys 28-17 in Super Bowl XIII, Jan. 21, 1979, Miami, Fla. The Steelers defeated the Cowboys 35-31. (Associated Press)

Quarterback Terry Bradshaw, of the Pittsburgh Steelers, shown in action at the Super Bowl against the Dallas Cowboys, Jan. 21, 1979, Miami, Fla. (Associated Press)

Pittsburgh Steelers running back Franco Harris carries the ball into the end zone for a touchdown in the fourth quarter of Super Bowl VIII with the Dallas Cowboys in Miami, on Jan. 21, 1979. (Associated Press)

Super Bowl XIII Pittsburgh Steelers team photo, circa 1979. (National Football League)

Pittsburgh Steelers Jack Ham (59) tackles Doug Dennison of the Cowboys after catching a pass in the Super Bowl X game in Miami, Fl., on Jan. 19, 1976. At left is Steelers' J.T. Thomas. (AP Photo/Phil Sandlin)

Pittsburgh Steelers' Lynn Swann (88) is lifted into the air by teammate Jack Lambert (58) after Swann caught a touchdown pass from Terry Bradshaw in the fourth quarter of Super Bowl X against the Dallas Cowboys at the Orange Bowl in Miami, FL., on Jan. 18, 1976 . Reacting on the field are, from left, Jim Clack (50), Reggie Garrett (86), and Mike Collier (44). Steelers won 21-17. (AP Photo/stf)

Pittsburgh Steelers' Lynn Swann dives as he catches a pass from quarterback Terry Bradshaw during Super Bowl X action held at the Orange Bowl in Miami, Florida Jan. 18, 1976 against the Dallas Cowboys. (Associated Press)

Pittsburgh Steelers quarterback Terry Bradshaw gives a number one sign following a welcome parade through downtown Pittsburgh, Pa., on Jan. 13, 1975. The Steelers defeated Minnesota Vikings 16-6 in Super Bowl IX Sunday. (Associated Press)

Pittsburgh Steelers' tackle "Mean" Joe Greene encourages his teammates during the Super Bowl game against the Minnesota Vikings in Tulane Stadium in New Orleans, Jan. 13, 1975. The Steelers won, 16-6. (AP Photo/Harry Cabluck)

Pittsburgh Steelers' Franco Harris runs into the end zone to score early in third quarter action of Super Bowl IX against Minnesota Vikings at Tulane Stadium in New Orleans, La., Jan. 12, 1975. Pursuing Harris is Jackie Wallace (25) of the Vikings. (Associated Press)

The Pittsburgh Steelers react as Minnesota Vikings' quarterback Fran Tarkenton recovers his own fumble in the end zone for a safety in second quarter of Super Bowl IX in New Orleans' Tulane Stadium, January 12, 1975. Identifiable players are Steelers' L.C. Greenwood (68), Ernie Holmes (63), Joe Greene (75), and Mike Wagner (23). The Steelers won 16-6. (AP Photo/Charlie Kelly)

Pittsburgh Steelers running back Franco Harris, (32), tries for some extra yardage during Super Bowl IX against the Minnesota Vikings in New Orleans, LA., on January 12, 1975. (Associated Press)

NFL commissioner Pete Rozelle, left, presents The Vince Lombardi Super Bowl IX trophy to Pittsburgh Steelers owner Art Rooney in Tulane Stadium dressing room in New Orleans, La., on Jan. 12, 1975. Rooney also holds the game ball after the Steelers defeated Minnesota Vikings, 16-6. (Associated Press)

Pittsburgh Steelers coach Chuck Noll smiles as he watches his team play to a 16-6 victory over the Minnesota Vikings during the Super Bowl IX game at Tulane Stadium in New Orleans, La., on Jan. 12, 1975. At right is Joe Gilliam (17). (Associated Press)

Pittsburgh Steeler fans march through downtown Pittsburgh waving Steeler signs celebrating the Steelers win over the Minnesota Vikings in the Super Bowl on Jan. 12, 1975 in Pittsburgh. (Associated Press)

Pittsburgh Steelers quarterback Terry Bradshaw, wearing cowboy hat, arrives with his team in New Orleans, La., Sunday evening, Jan. 5, 1975. The Steelers play in the Super Bowl game on Jan. 12. (Associated Press)

Franco Harris, left, and Lynn Swann of the Pittsburgh Steelers hug each other at the end of AFC championship game in Oakland, California on Sunday, Dec. 29, 1974 which the Steelers won 24 to 13. The victory sends the Steelers to the Super Bowl game where they' ll play against the Minnesota Vikings. (Associated Press)

Los Angeles Rams running back Wendell Tyler (26) is thrown for 4-yard loss by Pittsburgh Steelers linebacker Jack Lambert (58) as Steelers; L.C. Greenwood (68), Gary Dunn (67) and Joe Greene (75) during first quarter of Super Bowl XIV at the Rose Bowl in Pasadena, Calif. on Jan. 20, 1980. (Associated Press)

Pittsburgh Steelers Hall of Fame running back Franco Harris, Hall of Fame quarterback Terry Bradshaw, Hall of Fame wide receiver Lynn Swann, and Hall of Fame cornerback Mel Blount celebrate Harris' touchdown in a 31-19 win over the Los Angeles Rams in Super Bowl XIV on January 20, 1980. (National Football League)