Dallas Cowboys guard Larry Allen (73) run blocks during the NFL football game against the Pittsburgh Steelers on August 31, 1997 in Pittsburgh, Pennsylvania. The Cowboys won the game 37-7. (AP Photo/Paul Spinelli)

Larry Allen of the Dallas Cowboys blocks against the New York Giants at Texas Stadium in Irving, Texas on December 21, 2003. Dallas won 19-3. (AP Photo/G. Newman Lowrance)

Guard Larry Allen #73 of the Dallas Cowboys blocks against the Seattle Seahawks at Qwest Field on October 23, 2005 in Seattle, Washington. The Seahawks defeated the Cowboys 13-10. (AP Photo/Scott Boehm)

Pro Football Hall of Fame president Steve Perry (right) talks about Dallas Cowboys offensive guard Larry Allen (left) as owner Jerry Jones (center) watches at halftime of an NFL football game against the Washington Redskins on Sunday, October 13, 2013, at AT&T Stadium in Arlington, Texas. Allen received his Pro Football Hall of Fame ring during the ceremony. The Cowboys defeated the Redskins, 31-16. (AP Photo/James D. Smith)

Dallas Cowboys offensive guard Larry Allen (left) and owner Jerry Jones (right) unveil Allen's bust during the Pro Football Hall of Fame enshrinement ceremonies on Saturday, August 3, 2013, at Fawcett Stadium in Canton, Ohio. (AP Photo/James D Smith)

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

Hall of Fame inductees, from left, Larry Allen, Cris Carter, Dave Robinson, Jonathan Ogden, Bill Parcells, Curley Culp and Warren Sapp pose with their bronze busts during the 2013 Pro Football Hall of Fame Induction Ceremony Saturday, Aug. 3, 2013, in Canton, Ohio. (AP Photo/David Richard)

Former NFL football player Larry Allen speaks during the induction ceremony at the Pro Football Hall of Fame Saturday, Aug. 3, 2013, in Canton, Ohio. (AP Photo/Tony Dejak)

Dallas Cowboys offensive tackle Larry Allen (73) rests during an NFL football game against the Oakalnd Raiders on Sunday, Oct. 7, 2001, in Oakland. The Raiders won the game, 28-21. (AP Photo/Greg Trott)

Offensive guard Larry Allen #73 of the Dallas Cowboys blocks against the Philadelphia Eagles at Texas Stadium on November 15, 2004 in Irving, Texas. The Eagles defeated the Cowboys 49-21. (AP Photo/Paul Spinelli)

Guard Larry Allen #73 of the Dallas Cowboys blocks against defensive end Ed Jasper #95 of the Oakland Raiders at McAfee Coliseum in Oakland, California on October 2, 2005. The Raiders defeated the Cowboys 19-13. (AP Photo/Paul Spinelli)

Larry Allen #73 of the Dallas Cowboys National Football Conference NFC All-Stars pass blocks at the 2006 NFL Pro Bowl at Aloha Stadium on February 12, 2006 in Honolulu, Hawaii. The NFC defeated the AFC 23-17. (AP Photo/Paul Spinelli)

San Francisco 49ers offensive lineman Larry Allen (71) blocks during an NFL game against the New Orleans Saints, Oct. 28, 2007 in San Francisco. (AP Photo/Greg Trott)

Dallas Cowboys players Leon Lett (78), Kavika Pittman (97), Larry Allen (73), Tony Tolbert (97), Erik Williams (97), Darren Benson (91), and Russell Maryland goof around at Media Day on January 23, 1996, at Sun Devil Stadium in Tempe, Arizona. (National Football League)

Former Dallas Cowboys player Larry Allen, left, reacts during an induction ceremony into the Cowboys Ring of Honor at halftime of an NFL football game against the Seattle Seahawks, Sunday Nov. 6, 2011, in Arlington, Texas. Allen played on the team from 1994-2005. (AP Photo/Jim Cowsert)

Dallas Cowboys Hall of Fame offensive tackle Larry Allen (73) lines up in a two-point stance during an NFL game against the San Francisco 49ers in San Francisco, Nov. 13, 1994. The 49ers defeated the Cowboys 21-14. (National Football League)

Dallas Cowboys guard Larry Allen (73) shares a laugh with wide receiver Zuriel Smith (87) prior to the start of afternoon practice at NFL football training camp in Oxnard, Calif. on August 2, 2005. (AP Photo/Tony Gutierrez)

Former Dallas Cowboys offensive guard and tackle Larry Allen laughs during an interview after the announcement that he was selected to be a member of the Pro Football Hall of Fame 2013 Class of Enshrinees at the media center in the Ernest N. Morial Convention Center during the week of NFL Super Bowl XLVII on Saturday, Feb. 2, 2013 in New Orleans, Louisiana. (AP Photo/Paul Spinelli)