Roger Staubach is seen in this undated photo. (Pro Football Hall of Fame)

Roger Staubach is seen in this undated photo. (Pro Football Hall of Fame)

Dallas Cowboys Hall of Fame quarterback Roger Staubach looks to pass in a 17-10 loss to the Atlanta Falcons on November 21, 1976 at Atlanta Fulton County Stadium in Atlanta, Georgia. (Manny Rubio/NFL)

Dallas Cowboys head coach talks with quarterback Danny White and Hall of Fame quarterback Roger Staubach on the sidelines of a 27-10 win over the Denver Broncos in Super Bowl XII on January 15, 1978 at Louisiana Superdome. (AP Photo/Vernon Biever)

Roger Staubach is seen in this undated photo. (Pro Football Hall of Fame)

Dallas Cowboys quarterback Roger Staubach completes an effortless pull-up during training camp conditioning in Thousand Oaks, California on Thursday, July 27, 1978. The Cowboys are training at California Lutheran College and are preparing to defend their Super Bowl championship. (AP Photo/Jeff Robbins)

Navy quarterback Roger Staubach practices with the rest of the team in Baltimore, Md., Oct. 22, 1963. (Associated Press)

Midshipman quarterback Roger Staubach (12) of the U.S. Naval Academy team is shown in huddle during game with University of Pittsburgh October 26, 1963 at Annapolis, Md. Navy dropped Pitt from the ranks of unbeaten, 24-12. (AP Photo/Charles Gorry)

Dallas Cowboys quarterback Roger Staubach leaves for practice at Fort Lauderdale, Florida on Jan. 20, 1979, with a trail of fans behind him trying for an autograph. Sunday Staubach will lead the Cowboys in Super Bowl XIII. (AP Photo/Pete Leabo)

Roger Staubach is seen in this undated photo. (Pro Football Hall of Fame)

Dallas Cowboys Hall of Fame quarterback Roger Staubach (12) avoids a pass rusher in a 35-31 loss to the Pittsburgh Steelers in Super Bowl XIII on January 21, 1979 at the Orange Bowl in Miami, Florida. (AP Photo/Vernon Biever)

Roger Staubach goes in to the NFL Hall of Fame in Canton, Ohio, August, 3rd, 1985. (Associated Press)

Quarterback Roger Staubach of the Dallas Cowboys watches from the sidelines during a game against the Pittsburgh Steelers in Pittsburgh on Oct. 29, 1979. (AP Photo/Charles Kenneth Lucas)

Dallas Cowboys Hall of Fame quarterback Roger Staubach poses for a photograph in 1992. (National Football League)

Former Dallas cowboys coach poses with bust and hall of fame quarterback Roger Staubach after being inducted into the football hall of fame in Canton, Ohio in 1990. (Associated Press)

Hall of Fame quarterback Roger Staubach of the Dallas Cowboys prepares to hand the ball off in the first professional game of his career. The Cowboys were defeated by the Los Angeles Rams 24-17 in this preseason game played on August 8, 1969 at the Los Angeles Memorial Coliseum in Los Angeles, California. (Darryl Norenberg/NFL)

Hall of Fame quarterback Roger Staubach of the Dallas Cowboys throws a pass in spite of being in the grasp of Redskins defensive tackle Bill Brundidge during the Cowboys 13-0 victory over the Washington Redskins on November 21, 1971 at RFK Stadium in Washington, D.C. (Nate Fine/NFL)

Dallas Hall of Fame quarterback Roger Staubach sets up to pass in the Cowboys 24-3 win over the Miami Dolphins in Super Bowl VI on January 16, 1972 at Tulane Stadium in New Orleans, Louisiana (National Football League)

Dallas Cowboys quarterback Roger Staubach earned MVP honors in Super Bowl VI after throwing for two touchdowns in a 24-3 win over the Miami Dolphins at Tulane Stadium in New Orleans, Louisiana on January 16, 1972. (National Football League)

NFC quarterback Roger Staubach of the Dallas Cowboys passes in a 26 to 13 AFC win at the Pro Bowl on January 23, 1972. (Darryl Norenberg/NFL)

Dallas Cowboys Hall of Fame quarterback Roger Staubach circa 1970. (National Football League)

Hall of Fame quarterback Roger Staubach (12) of the Dallas Cowboys sets up to throw a pass under pressure during the Cowboys 17-14 victory over the Minnesota Vikings in the 1975 NFC Divisional Playoff Game on December 28, 1975 at Metropolitan Stadium in Bloomington, Minnesota. (Vernon Biever/NFL)

Dallas Cowboys quarterback Roger Staubach rolls out to pass in the Cowboys 21-17 loss to the Pittsburgh Steelers in Super Bowl X on January 18, 1976 at the Orange Bowl in Miami, Florida. (Vernon Biever/NFL)

Dallas Cowboys Hall of Fame quarterback Roger Staubach looks to pass in a 14-7 win over the Washington Redskins on November 27, 1977 at RFK Stadium in Washington, DC. (Darryl Norenberg/NFL)

Dallas Cowboys Hall of Fame quarterback Roger Staubach #12 tries to avoid being sacked by Denver Broncos defensive end Lyle Alzado in a 27-10 win over the Denver Broncos in Super Bowl XII on January 15, 1978 at Louisana Superdome. (National Football League)

Hall of Fame quarterback Roger Staubach (12) of the Dallas Cowboys throws a pass during the Cowboys 27-14 loss to the Los Angeles Rams on September 17, 1978 at the Los Angeles Memorial Coliseum in Los Angeles. (Darryl Norenberg/NFL)

Dallas Cowboys Hall of fame quarterback Roger Staubach makes a pass in a 35-31 loss to the Pittsburgh Steelers in Super Bowl XIII on January 21, 1979 at Orange Bowl. (National Football League)

Dallas Cowboys center John Fitzgerald (62) waits to snap the ball to Hall of Fame quarterback Roger Staubach (12) during Super Bowl XIII, a 35-31 loss to the Pittsburgh Steelers on January 21, 1979, at the Orange Bowl in Miami, Florida. (Al Messerschmidt/NFL)

Dallas Cowboys Hall of Fame quarterback Roger Staubach (12) fires a pass during the NFL Pro Bowl, a 37-27 NFC victory on January 27, 1980, at Aloha Stadium in Honolulu, Hawaii. (National Football League)

Quarterback Roger Staubach, left, of the reigning world champion Dallas Cowboys football team holds a trophy honoring him as quarterback of the year after presentation by Pro Quarterback Magazine in New York on May 22, 1978. At right is former New Orleans coach Hank Stram, toastmaster of the gathering. Staubach, selected as the year's top player by a nationwide poll of football writers, told newsmen "My arms and legs are as good as they have ever been." (AP Photo/Marty Lederhandler)

Roger Staubach, quarterback for the Dallas Cowboys, threads film in a projector before the start of a quarterback's meeting in Dallas, Texas, Dec. 28, 1978. Staubach, who was out of the final game of the regular season because of injuries, will be ready to play against the Atlanta Falcons in the NFC playoff. (AP Photo/Brian Horton)

The five enshrines into the Pro Football Hall of Fame pose with their bronze busts in front of the shrine after induction ceremonies Saturday, Aug. 3, 1985 in Canton, Ohio. They are, left to right, Frank Gatski, Joe Namath, Pete Rozelle, O.J. Simpson and Roger Staubach. (AP Photo/Ernie Mastroianni)

Football's Roger Staubach, left, closes in on auto racer Jody Scheckter, right, to win his heat of the bicycle event of the "Superstars" competition in Rotunda, Fla., on Jan. 29, 1974. Boxer Jerry Quarry is seen behind in center, in the semi-final event which precedes the February trials. (AP Photo/Paul C. Strong)

Dallas quarterback Roger Staubach looks downfield for a receiver as he prepares to pass against Pittsburgh in first half of Super Bowl X game at the Orange BowlM in Miami, January 18, 1976. (Associated Press)

Former Dallas Cowboys Roger Staubach, right, greets Dallas coach Tom Landry after Landry presented Staubach to the estimated 13,000 spectators taking in the Pro Football Hall of Fame ceremonies in Canton, Ohio on Aug. 3, 1985. (AP Photo/Maribeth Joeright)

Dallas Cowboys quarterback Roger Staubach and coach Tom Landry talk with an assistant coach late in the game against the Eagles at Philadelphia, Dec. 6, 1976. (AP Photo/Rusty Kennedy)

Roger Staubach, quarterback for the Dallas Cowboys, works out at the Cowboy's Thousand Oaks, Calif., training camp on Aug. 5, 1976. Staubach says at 34 he's become wiser about protecting his body from NFL tacklers and that on occasion he'll take a dive after getting a first down carrying the ball. (Associated Press)

Quarterback Roger Staubach of the Dallas Cowboys holds his Life Saver of the Month in Sports trophy during a luncheon at Mama Leone's restaurant in New York, Feb. 23, 1972. Staubach, who helped his team win Super Bowl VI in New Orleans in January, was given the award from the makers of Life Savers candy. (AP Photo/Marty Lederhandler)