Troy Aikman, quarterback from Univeristy of California - Los Angeles. Selected as first overall draft choice by the Dallas Cowboys is announced and introduced by NFL Commissioner Pete Rozelle at the 1989 NFL Draft on April 24, 1989 in New York, New York. (National Football League)

Quarterback Troy Aikman of the UCLA Bruins in action during a game against the USC Trojans at the Los Angeles Coliseum in Los Angeles, California. (Tony Duffy/Allsport)

Dallas Cowboys Hall of Fame coach Jimmy Johnson (left) with Hall of Fame quarterback Troy Aikman (right) and wide receiver coach Hubbard Alexander (center) confer on the sideline in a 26-14 win over the Cleveland Browns at Municipal Stadium in Cleveland, Ohio on September 1, 1991. (Al Messerschmidt/NFL)

Dallas Cowboys quarterback Troy Aikman avoids a sack by Arizona Cardinals defensive lineman Keith Rucker during their 16-10 victory at Sun Devil Stadium in Tempe, Arizona on October 22, 1992. (Otto Greule/Allspot)

Quarterback Troy Aikman of the Dallas Cowboys #8 takes the snap from center Mark Stepnoski #53 against the San Francisco 49ers in the 1992 NFC Championship Game at Candlestick Park on January 17, 1993 in San Francisco, California. The Cowboys defeated the 49ers 30-20. (James Smith/NFL)

Troy Aikman of the Cowboys at the 1994 American Bowl between the Houston Oilers and the Dallas Cowboys in Mexico City on August 15, 1994. The Oilers beat the Cowboys 6-0. (James D. Smith/NFL)

Dallas Cowboys Hall of Fame Quarterback Troy Aikman poses for the NFL Quarterback Challange, a television card set on April 21, 1995. (Jonathan Hayt/NFL)

Quarterback Troy Aikman of the Dallas Cowboys (left) tries to elude linebacker Bryan Cox of the Chicago Bears during a game at Texas Stadium in Irving, Texas. The Cowboys won the game 27-3. (Stephen Dunn/Allsport)

A portrait picture of Troy Aikman #8 of the Dallas Cowboys during the NFL Quarterback Club at Disney''s Boardwalk Hotel in Orlando, Florida. (Vincent Laforet/Allsport)

Cowboys Quarterback Troy Aikman looks for an open man in a 41-35 Dallas win over the Washington Redskins on 09-12-1999. (Allen Kee/NFL)

UCLA quarterback Troy Aikman warms up in Tokyo for the Japan Bowl on Jan. 13, 1989. The Dallas Cowboys waived Aikman on Wednesday, March 7, 2001, no longer convinced that the quarterback who led them to three Super Bowl titles is healthy enough to be their starter.(AP Photo/Doug Mills)

In this Jan. 3, 1989, file photo, UCLA quarterback Troy Aikman looks for a receiver during action in the Cotton Bowl football game, in Dallas. Aikman is being enshrined into the College Football Hall of Fame on Saturday, July 18, 2009. (AP Photo/Lou Krasky)

Former UCLA quarterback Troy Aikman speaks at a news conference in Los Angeles, Ca., March 1, 1989. Aikman, who is in contract negotiations, said he would like to play for the Dallas Cowboys. (AP Photo/Alan Greth)

Pete Rozelle, NFL Commissioner, right, began the 54th annual draft of collegiate talent, his final draft, by announcing the selection of UCLA quarterback Troy Aikman, right, as the first pick by the Dallas Cowboys, Sunday, April 23, 1989 in New York. Aikman already has signed a six-year, $11.2 million contract with the Cowboys. (AP Photo/Mark Lennihan)

UCLA quarterback Troy Aikman stands between two sumo wrestlers Takanohana, left, and Akinoshima during a Tokyo reception at night, Wednesday, Jan. 11, 1989 in Tokyo. Aikman and other U.S. collegiate footballers are now in town to participate in the Japan Bowl contest. (AP Photo/Sadayuki Mikami)

Former Dallas Cowboys quarterback Troy Aikman caries the Olympic torch in Dallas, Wednesday evening, Dec 12, 2001. Aikman ran the torch for two blocks. (AP Photo/LM Otero)

Troy Aikman, Dallas Cowboy Quarterback in 1993. (Associated Press)

Dallas Cowboys Hall of Fame quarterback Troy Aikman (8) scrambles from the pocket during Super Bowl XXVII, a 52-17 victory over the Buffalo Bills on January 31, 1993, at the Rose Bowl in Pasadena, California. (National Football League)

Dallas Cowboys Hall of Fame quarterback Troy Aikman (8) leads his team onto the field before Super Bowl XXVII, a 52-17 Cowboys victory over the Buffalo Bills on January 31, 1993, at the Rose Bowl in Pasadena, California. (National Football League)

Dallas Cowboys Hall of Fame quarterback Troy Aikman (8) lofts a pass during Super Bowl XXVIII, a 30-13 victory over the Buffalo Bills on January 30, 1994, at the Georgia Dome in Atlanta, Georgia. (National Football League)

American Hall of Fame quarterback Troy Aikman #8 of the Dallas Cowboys. The overall draft pick in 1989, Aikman played 12 consecutive seasons as quarterback with the Cowboys. (AP Photo/Marc Serota)

American Hall of Fame quarterback Troy Aikman #8 of the Dallas Cowboys. The overall draft pick in 1989, Aikman played 12 consecutive seasons as quarterback with the Cowboys. (AP Photo/Marc Serota)

American Hall of Fame quarterback Troy Aikman #8 of the Dallas Cowboys. The overall draft pick in 1989, Aikman played 12 consecutive seasons as quarterback with the Cowboys. (AP Photo/Marc Serota)

Dalls Cowboys quarterback Troy Aikman (8) passes during an NFL football game against the San Francisco 49ers on Sunday, Jan. 17, 1993 in San Francisco. The Cowboys won the game, 30-20. (AP Photo/Greg Trott)

Dallas Cowboys quarterback Troy Aikman goes airborne for a second-quarter gain on Sunday, January 31, 1993 in Super Bowl action in Pasadena, California. The Cowboys won 52-17 against the Buffalo Bills.(AP Photo/ Reed Saxon)

Dallas Cowboys' quarterback Troy Aikman, left, the Most Valuable Player of Super Bowl XXVII, shares a laugh with "The Tonight Show" host Jay Leno during the taping of the show in Burbank, Calif., Feb. 1, 1993. (AP Photo/Kevork Djansezian)

Dallas Cowboys quarterback Troy Aikman throws against the Washington Redskins in the second quarter of the Cowboys' 38-3 win, Sunday, Dec. 26, 1993 in Irving, Texas. Aikman completed 16 of 20 passes for 193 yards. (AP Photo/Pat Sullivan)

Dallas Cowboys quarterback Troy Aikman celebrates the Cowboys' 30-13 Super Bowl win over the Buffalo Bills, Sunday, Jan. 30, 1994 at Atlanta's Georgia Dome. (AP Photo/Doug Mills)

Dallas Cowboys head coach Jimmy Johnson, left, hugs quarterback Troy Aikman in their locker room after beating the Buffalo Bills 30-13 in Super Bowl XXVIII at Atlanta's Georgia Dome, in this Jan. 30, 1994 photo. (AP Photo/Charles Krupa)

Dallas Cowboys quarterback Troy Aikman rests his chin on the Super Bowl trophy after the Cowboys defeated the Buffalo Bills 30-12 in Super Bowl XXVIII at the Georgia Dome in Atlanta, Ga., Sunday, Jan. 30, 1994. (AP Photo/Charles Krupa)

Buffalo Bills quarterback Jim Kelly (12) and Dallas Cowboys quarterback Troy Aikman (8) shake hands after the Cowboys downed the Bills 30-13 in Super Bowl XXVIII at the Georgia Dome in Atlanta, Sunday, Jan. 30, 1994. The win gave the Cowboys back-to-back Super Bowl rings and the loss was a record fourth straight for the Bills. (AP Photo/Doug Mills)

Dallas Cowboys Troy Aikman plays in a game against the Arizona Cardinals at Sun Devil Stadium in Tempe, Arizona on October 23, 1994. (AP Photo/Tom DiPace)

Dallas Cowboys quarterback Troy Aikman (8) is muddied during an NFL game against the San Francisco 49ers on Jan. 15, 1995, in San Francisco. The 49ers won the game, 38-28. (AP Photo/Greg Trott)

Dallas Cowboys quarterback Troy Aikman, shown on July 29, 1995, drops back to pass against the Buffalo Bills in Irving, Texas. The Cowboys need to build momentum Monday when they play the Arizona Cardinals, but also need to give many of their starplayers a rest. (AP Photo/Tim Sharp)

Dallas Cowboys quarterback Troy Aikman (8) is flipped in the air by Denver Broncos' Tyrone Braxton, right, as Aikman flies in the end zone for a second quarter touchdown, Sunday, Sept. 10, 1995, in Irving, Texas. (AP Photo/Tim Sharp)

Dallas Cowboys Troy Aikman (8), Emmitt Smith (22) and Michael Irvin (88) celebrate Smith's second-quarter touchdown run in the NFC Championship game against the Green Bay Packers Sunday, Jan. 14, 1996, in Irving, Texas. (AP Photo/Tim Sharp)

Dallas Cowboys quarterback Troy Aikman celebrates with Cowboys Jay Novacek after a fourth quarter touchdown in Super Bowl XXX against the Pittsburgh Steelers Sunday, Jan. 28, 1996, in Tempe, Ariz. The Cowboys went on to beat the Steelers 27-17. (AP Photo/Doug Mills)

Dallas Cowboys Troy Aikman plays in Super Bowl XXX against the Pittsburgh Steelers at Sun Devil Stadium on January 28, 1996 in Tempe, AZ. The Cowboys defeated the Steelers 27-17. (AP Photo/Tom DiPace)

Dallas Cowboys quarterback Troy Aikman (8) drops back to pass during the preseason game aginst the Oakland Raiders in Irving, Texas, July 27, 1996. Aikman has on his hands a hurting team that has to be held together until Michael Irvin's suspension ends, tight end Jay Novacek can fight through a painful back injury, and Emmitt Smith and Mark Tuinei can run on 100 percent healthy knees. (AP Photo/Eric Gay)

Dallas Cowboys quarterback Troy Aikman unloads a pass as Chicago Bears Jim Flanigan (99), John Thierry (94) and Bryan Cox close in during the second quarter Monday night, Sept. 2, 1996, in Chicago. Helping to protect Aikman is tackle Erik Williams (79). (AP Photo/Fred Jewell)

Dallas Cowboys quaterback Troy Aikman (8) throws a pass to receiver Anthony Miller for a fourth quarter touchdown against the Philadelphia Eagles in the fourth quarter Monday night, Sept. 15, 1997, in Irving, Texas. Dallas beat Philadelphia 21-20. (AP Photo/Tim Sharp)

Dallas Cowboys quarterback Troy Aikman throws a pass downfield during the second quarter against the Washington Redskins in Irving, Texas, in this Dec. 27, 1998 photo. (AP Photo/Eric Gay)

Dallas Cowboys quarterback Troy Aikman looks to pass as Philadelphia Eagles' Mike Mamula hangs on during the fourth quarter, Sunday, Oct. 10, 1999, in Philadelpia. The Eagles won 13-10. (AP Photo/Rusty Kennedy)

NFL Hall of Fame quarterback Troy Aikman, center, attempts to play the video game Guitar Hero as Cook Children's Medical Center patients Brooke Gibson, left rear, and Bryson Drennan, right rear, look on following the unveiling of the new sports-themed Zone playroom at the Medical Center in Fort Worth, Texas, Tuesday Jan. 15, 2008. The NHL and NHL Player's Association along with Garth Brooks Teammates for Kids Foundation combined their efforts to donate the new play room at the medical center that Aikman helped dedicate on Tuesday. (AP Photo/Tony Gutierrez)

In this Aug. 5, 2006 photo, Troy Aikman gives a thumbs-up during his speech at the enshrinement ceremony at the Pro Football Hall of Fame in Canton, Ohio. Aikman's passing days didn't end when he retired from the Dallas Cowboys. The Hall of Fame quarterback says he's passed his two final college courses and will graduate in June from UCLA _ 20 years after he left for the NFL. (AP Photo/Tony Dejak)

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

Former Dallas Cowboys Troy Aikman, left, and Michael Irvin, right, laugh as they wait to participate in a halftime ceremony during the Cowboys' NFL football game against the New York Giants, Sunday, Sept. 20, 2009, in Arlington, Texas. (AP Photo/Sharon Ellman)

American Hall of Fame quarterback Troy Aikman #8 of the Dallas Cowboys. The overall draft pick in 1989, Aikman played 12 consecutive seasons as quarterback with the Cowboys. (AP Photo/Marc Serota)

former Dallas Cowboys' quarterback Troy Aikman watches warms up before an NFL football game against the Philadelphia Eagles, Sunday, Nov. 11, 2012, in Philadelphia. (AP Photo/Michael Perez)

Chrissy Teigen (L) and Troy Aikman present an award during the inaugural NFL Honors show Saturday, Feb. 4, 2012, in Indianapolis. (Perry Knotts/NFL)

Dallas Cowboys quarterback Tony Romo, right, talks with former Cowboys' quarterback Troy Aikman during warm ups before an NFL football game against the Philadelphia Eagles, Sunday, Nov. 11, 2012, in Philadelphia. (AP Photo/Julio Cortez)

UCLA quarterback Troy Aikman is shown, 1988. (AP Photo)

American Hall of Fame quarterback Troy Aikman #8 of the Dallas Cowboys. The overall draft pick in 1989, Aikman played 12 consecutive seasons as quarterback with the Cowboys. (AP Photo/Marc Serota)

Dallas Cowboys Hall of Fame quarterback Troy Aikman (8) poses for a photoshoot Troy Aikman on November 23, 1995. (Peter Read Miller via AP)