Dallas Cowboys Hall of Fame cornerback Mel Renfro. (National Football League)

Defensive back Mel Renfro #20 of the Dallas Cowboys drops back in pass coverage against the Los Angeles Rams in the 1975 NFC Championship Game at the Los Angeles Memorial Coliseum on January 4, 1976 in Los Angeles, California. (National Football League)

Defensive back Mel Renfro of the Dallas Cowboys watches from the sideline in a 1974 game. (National Football League)

Dallas Cowboys Hall of Fame cornerback Mel Renfro in a 37-31 loss to the Los Angeles Rams on October, 14, 1973 at the Los Angeles Coliseum in Los Angeles. (National Football League)

Dallas Cowboys Hall of Fame cornerback Mel Renfro poses for his team headshot at the team's Thousand Oaks training camp. (National Football League)

Pro Football Hall of Fame and Dallas Cowboys defensive back Mel Renfro (20) sitting on the bench in disappointment in the Cowboys 16-13 loss to the Baltimore Colts in Super Bowl V on January 17, 1971 at the Orange Bowl in Miami, Florida. (National Football League)

Dallas Cowboys wide receiver Bob Hayes (20) and Hall of Fame cornerback Mel Renfro (22) during Super Bowl V, a 16-13 loss to the Baltimore Colts on January 17, 1971, at the Orange Bowl in Miami, Florida. (National Football League)

Dallas Cowboys Hall of Fame cornerback Mel Renfro in 1970. (National Football League)

Dallas Cowboys defender Mel Renfro (20) reaches to deflect a pass intended for Cleveland Browns end Paul Warfield (42) in first quarter of the Eastern Conference Playoff Game of the National Football League being played in Cleveland, Ohio, Dec. 21, 1968. (Associated Press)

Former Dallas Cowboys players Mel Renfro, left, and Roger Staubach walk onto the playing field for a farewell ceremony at Texas Stadium on Saturday, Dec. 20, 2008, in Irving, Texas. (AP Photo/Tony Gutierrez)

Hall of Famer Mel Renfro waves after being introduced during the enshrinement ceremony at the Pro Football Hall of Fame, Saturday, August 5, 2006 in Canton, Ohio. (AP Photo/Tony Dejak)

Former Dallas Cowboys players and Hall of Famers' Mel Renfro, left, and Rayfield Wright, right, participate during a pregame ceremony before an NFL football game between the Pittsburgh Steelers and Dallas Cowboys Sunday, Dec. 16, 2012, in Arlington, Texas. (AP Photo/Tony Gutierrez)

Green Bay Packers Jim Taylor runs with a Bart Starr pass as Dallas Cowboys Mel Renfro (20) leaps high in air too late to break up the pass during the NFL Championship game, Jan. 1, 1967 in Dallas, Tx. (Associated Press)

Dallas Cowboys coach Tom Landry is carried off the field on the shoulders of his players after they defeated Miami Dolphins 24-3 to win Super Bowl VI in New Orleans, La., Sunday, Jan. 16, 1972. The players are Bob Hayes (22), Rayfield Wright (70) and Mel Renfro (20). (Associated Press)

Former Dallas Cowboys great Mel Renfro, left, poses with his bust and former Cowboy coach Tom Landry after Renfro's induction into the Pro Football Hall of Fame Saturday, July 27, 1996, in Canton, Ohio. (AP Photo/Phil Long)