Cowboys in the Pro Football Hall of Fame

The seal of the Pro Football Hall of Fame is seen on the face of the building in Canton, Ohio on Aug. 7, 2015. (AP Photo/Johnny Vy)

Former Dallas Cowboys defensive tackle Bob Lilly poses with his statue and a drawing of him in action after enshrinement in the Pro Football Hall of Fame in Canton, Ohio, Aug. 2, 1980. (AP Photo)

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)

NFL FOOTBALL COACH RETIRED POSING HOLDING BRONZE BUST PRO FOOTBALL HALL OF FAME INDUCTION BUST YELLOW JACKET

Tex Schramm poses with a bronze bust of himself after being inducted into the Pro Football Hall of Fame in Canton, Ohio, July 27, 1991. (AP Photo/Bruce Zake)

Hall of Famer Tony Dorsett poses with his bust during induction ceremonies in Canton, Ohio, in July 1994. (AP Photo/Bruce Zake)

Randy White holds his bust and stands by art at the Pro Football Hall of Fame in Canton, Ohio, July 30, 1994. (AP Photo/Bruce Zake)

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)

Former Dallas Cowboys quarterback Troy Aikman, left, poses with his presenter, Norv Turner, after Aikman was enshrined in the Pro Football Hall of Fame, Saturday, Aug. 5, 2006, in Canton, Ohio. (AP Photo/Mark Duncan)

Former Dallas Cowboys great Rayfield Wright poses with his bust after enshrinement into the Pro Football Hall of Fame Saturday, Aug. 5, 2006, in Canton, Ohio. (AP Photo/Mark Duncan)

Michael Irvin stands with his bust at the Pro Football Hall of Fame, Saturday, Aug. 4, 2007, in Canton, Ohio. (AP Photo/Phil Long)

Bob Hayes Jr., son of Bob Hayes, stands with the bust of his father during the Pro Football Hall of Fame induction ceremony at the Pro Football Hall of Fame, Saturday, Aug. 8, 2009, in Canton, Ohio. Former Dallas Cowboys and San Francisco 49ers player Bob Hayes is part of the Class of 2009. (AP Photo/Tony Dejak)

Former Dallas Cowboys player Emmitt Smith kisses a bust of himself after enshrinement in the Pro Football Hall of Fame in Canton, Ohio, Saturday, Aug. 7, 2010. (AP Photo/Mark Duncan)

Deion Sanders poses with a bust of himself during the induction ceremony at the Pro Football Hall of Fame, Saturday, Aug. 6, 2011, in Canton, Ohio. (AP Photo/Tony Dejak)

Inductee Larry Allen poses with his bust during the induction ceremony at the Pro Football Hall of Fame Saturday, Aug. 3, 2013, in Canton, Ohio. (AP Photo/David Richard)