Oakland Raiders owner Al Davis and Miami Dolphins Head Coach Don Shula before a game against the Miami Dolphins at Joe Robbie Stadium in Miami, Florida on November 19,1990. (Tom DiPace/Associated Press)

Denver Broncos quarterback John Elway (7) scrambles with the football during second quarter action in the AFC Championship Game, Jan. 14, 1990 in Denver. Cleveland defensive tackle Chris Pike (75) reaches for Elway on the play. The Broncos defeated the Browns, 37-21 to earn their third trip to the Super Bowl in four years. (Mark Duncan/Associated Press)

NBC announcer O. J. Simpson on the sidelines during the NFL football divisional championship game between the Pittsburgh Steelers and the Denver Broncos on January 7, 1990 in Denver, Colorado. The Broncos won the game 24-23. (Paul Spinelli/Associated Press)

San Francisco 49ers wide receiver Jerry Rice (80) celebrates a 72-yard touchdown pass during an NFL football game as Minnesota Vikings defensive back Joey Browner (47) trails the play on Sunday, Jan. 6, 1990 in San Francisco. The 49ers won the game, 41-13. (Greg Trott/Associated Press)

FILE - In this Nov. 12, 1995, file photo, Dallas Cowboys defender Deion Sanders (21) knocks the ball away from San Francisco 49ers receiver Jerry Rice (80) in the second quarter of an NFL football game in Irving, Texas. The Rice-Sanders rivalry is just one of several moves the NFL is using to try to rekindle interest in the Pro Bowl, set for Sunday in Hawaii. The NFL greats Deion will start the process of selecting Pro Bowl teams in the All-Star game's new format in which the two conferences no longer play each other. (Eric Gay/Associated Press)

Kansas City Chiefs Hall of Fame linebacker Derrick Thomas poses in front of his personalized license plate on his car in Kansas City, Mo., 1992. (NFL Photos)

Buffalo Bills wide receiver Don Beebe (82) knocks the ball loose from Dallas Cowboys defensive tackle Leon Lett, preventing a touchdown, during Super Bowl XXVII, a 52-17 Cowboys victory on January 31, 1993, at the Rose Bowl in Pasadena, California. (NFL Photos)

NFL Films personnel attend Super Bowl XXVIII, a 30-13 Dallas Cowboys victory over the Buffalo Bills on January 30, 1994, at the Georgia Dome in Atlanta, Georgia. (NFL Photos)

Dallas Cowboys wide receivers Alvin Harper (80) and Michael Irvin (88) celebrate their "back-to-back" Super Bowl victories as time expires in the Cowboys 30-13 victory over the Buffalo Bills in Super Bowl XXVIII on January 30, 1994 at the Georgia Dome in (NFL Photos)

Dallas Cowboys defensive tackle Jimmie Jones (97) scores a touchdown on a two-yard fumble recovery during Super Bowl XXVII, a 52-17 Cowboys victory over the Buffalo Bills on January 31, 1993, at the Rose Bowl in Pasadena, California. (NFL Photos)

Pittsburgh Steelers cornerback Rod Woodson (26) lines up opposite Dallas Cowboys cornerback/wide receiver Deion Sanders (21) during Super Bowl XXX, a 27-17 Dallas Cowboys victory over the Pittsburgh Steelers on January 28, 1996, at Sun Devil Stadium in Tempe, AZ (NFL Photos)

Atlanta Falcons running back Jamal Anderson (32) carries the ball during Super Bowl XXXIII, a 34-19 Denver Broncos victory over the Atlanta Falcons on January 31, 1999, at Pro Player Stadium in Miami, Florida. (NFL Photos)

The Buffalo Bills are just inches from pay dirt during Super Bowl XXVI, a 37-24 loss to the Washington Redskins on January 26, 1992, at the Hubert H. Humphrey Metrodome in Minneapolis, Minnesota. (NFL Photos)

Green Bay Packers quarterback Brett Favre (4) sneaks into the corner of the endzone for a 2-yard touchdown run during Super Bowl XXXI, a 35-21 victory over the New England Patriots on January 26, 1997, at the Louisiana Superdome in New Orleans, Louisiana. Super Bowl XXXI - New England Patriots vs Green Bay Packers - January 26, 1997 (NFL Photos)

Denver Broncos John Elway making a move up field in Super Bowl XXXII (32) verse the Green Bay Packers on Sunday January 25, 1998 in San Diego. (Kevin Reece/Associated Press)

Buffalo Bills kicker Scott Norwood gets ready to kick a potential game-winning 47 yard field goal that he missed in a 20-19 loss to the New York Giants Super Bowl XXV on January 27, 1991 at Tampa Stadium in Tampa, Florida. Super Bowl XXV - Buffalo Bills vs New York Giants - January 27, 1991 (NFL Photos)

FILE - In this Jan. 15, 1992 file photo, Buffalo Bills wide receiver Andre Reed runs with the ball during an AFC playoff football game against the Kansas City Chiefs in Orchard Park, N.Y. Reed was elected to the Pro Football Hall of Fame on Saturday, Feb. 1, 2014. (Mark Duncan/Associated Press)

Minnesota Vikings quarterback Randall Cunningham (7) celebrates with wide receiver Randy Moss (84) during an NFL game against the Green Bay Packers, Oct. 5, 1998. The Vikings defeated the Packers 37-24 at Lambeau Field at Green Bay, Wisconsin. (James Biever/NFL Photos)

FILE - In this Jan. 29, 1995, file photo, San Francisco 49ers' quarterback Steve Young (8) runs over San Diego's Darrien Gordon (21) for a first down during the first quarter of Super Bowl XXIX at Joe Robbie Stadium in Miami. The 49ers are looking to win their sixth title when they take on the Baltimore Ravens in NFL football's Super Bowl XLVII on Sunday in New Orleans. (Andrew Innerarity/Associated Press)

Green Bay Packers quarterback Brett Favre drops back to pass during a game circa 1994. (Associated Press)

Denver Broncos quarterback John Elway holds up the Vince Lombardi trophy after a 31-24 win over the Green Bay Packers in Super Bowl XXXII in San Diego, Calif., Jan. 25, 1998. (Paul Spinelli/Associated Press)

Kansas City Chiefs quarterback Joe Montana hands off to running back Marcus Allen against the San Diego Chargers during an NFL football game on Dec. 19, 1993 in Kansas City, MO. The Chiefs won the game, 28-24. (G. Newman Lowrance/Associated Press)

Los Angeles Raiders Bo Jackson during an NFL football game against the Cincinnati Bengals Sunday, January 13, 1991 at Los Angeles Memorial Coliseum. (Tom DiPace/Associated Press)

American Hall of Fame quarterback Troy Aikman #8 of the Dallas Cowboys and wide receiver Michael Irvin #88 of the Dallas Cowboys. Aikman and Irvin are also known as two of "the triplets" along with Emmitt Smith. The Triplets highlighted the Dallas Cowboys' offense in the 1990's that won three Super Bowls. (Marc Serota/Associated Press)

Denver Broncos Terrell Davis in Super Bowl XXXIII against the Atlanta Falcons at Pro Player Stadium on January 31, 1999 in Miami, FL. The Broncos defeated the Falcons 34-19. (Tom DiPace/Associated Press)

Philadelphia Eagles quarterback Randall Cunningham passes as green Bay Packers defensive end Reggie White applies pressure

Denver Broncos quarterback John Elway stiff-arms Atlanta Falcons linebacker Cornelius Bennett (97) during the third quarter of Super Bowl XXXIII in Miami, Sunday, Jan. 31, 1999. (Doug Mills/Associated Press)

Denver Broncos tight end Shannon Sharpe laughs while being interviewed by reporters at Super Bowl Media Day activities in Miami Tuesday, Jan. 26, 1999. The Atlanta Falcons face the Denver Broncos Sunday in the NFL's title game. (Ron Heflin/Associated Press)

Green Bay Packers defensive end Reggie White applies pressure to Tennessee Oilers quarterback Steve McNair as he throws a pass in the second quarter Sunday, Dec. 20, 1998, in Green Bay, Wis. The game will likely be White's last at Lambeau field, who says he is retiring at the end of the season. (Morry Gash/Associated Press)

Denver Broncos quarterback John Elway crosses into the end zone to score during the first quarter of Super Bowl XXXII at San Diego's Qualcomm Stadium Sunday, Jan. 25, 1998. (Ed Reinke/Associated Press)

Green Bay Packers Antonio Freeman catches an 81-yard touchdown pass from quarterback Brett Favre during Super Bowl XXXI at the Superdome in New Orleans Sunday, Jan. 26, 1997. (Lanny Ignelzi/Associated Press)

Green Bay Packers' Desmond Howard (81) heads out on a 99-yard kickoff return during the third quarter against New England Patriots during Super Bowl XXXI Sunday, Jan. 26, 1997, in New Orleans. (Mark Duncan/Associated Press)

Denver Broncos receiver Shannon Sharpe runs with a reception against the Kansas City Chiefs during an NFL football game on October 27, 1996 in Denver, Colorado. The Broncos defeated the Chiefs 34-7. (G. Newman Lowrance/Associated Press)

President Clinton holds a Dallas Cowboys jersey bearing Emmitt Smith's number he received from the Cowboys running back, left, during a ceremony at the White House Tuesday Feb. 13, 1996 where the president honored the Super Bowl XXX champions. (Ruth Fremson/Associated Press)

San Francisco 49ers Deion Sanders plays in the 1995 Super Bowl XXIX against the SanDiego Chargers at Joe Robbie Stadium in Miami, Florida on January 29, 1995. (Tom DiPace/Associated Press)

Tennessee Oilers Steve McNair (9) hands off to running back Eddie George (27) in the second quarter Sunday, Nov. 29, 1998, against the Seattle Seahawks at the Kingdome in Seattle. (Elaine Thompson/Associated Press)

The Buffalo Bills bench, including receiver Don Beebe (82) and injured quarterback Jim Kelly, behind Beebe and wearing street clothes, celebrate Steve Christie's winning overtime field goal to beat the Houston Oilers 41-38, on Jan. 3, 1993, at Orchard Park. (Bill Sikes/Associated Press)

Minnesota Vikings wide receiver Randy Moss, left, hauls in a 61-yard touchdown pass from quarterback Randall Cunningham as Cincinatti Bengals corner back Thomas Randolph, right, pursues him in the fourth quarter in Minneapolis, Sunday, Nov. 15, 1998. The Vikings beat The Bengals 24-3. (Paul Battaglia/Associated Press)

Green Bay Packers' Reggie White carries the Lombardi Trophy after beating the New England Patriots 35-21 to win Super Bowl XXXI Sunday, Jan. 26, 1997, in New Orleans. (Mark Humphrey/Associated Press)

Dallas Cowboys owner Jerry Jones talks with his newest acquisition, Deion Sanders, on the sidelines before the start of the Cowboys game against the Washington Redskins at RFK Stadium in Washington Sunday, Oct. 1, 1995. Sanders, who underwent ankle surgery earlier this week, hopes to be in uniform in two weeks. (Doug Mills/Associated Press)

San Francisco 49ers head coach George Seifert is doused by team members near the end of the fourth quarter of Super Bowl XXIX, on Sunday, Jan. 29, 1995 at Joe Robbie Stadium in Miami. The 49ers defeated the San Diego Chargers, 49-26. (Lynne Sladky/Associated Press)

San Diego Chargers' Stanley Richard (24) breaks up a pass intended for San Francisco's Deion Sanders, uncharacteristically playing offense, in the fourth quarter of Super Bowl XXIX, Jan. 29, 1995 in Miami. (Andrew Innerarity/Associated Press)

Deion Sanders speaks with members of the media Before Super Bowl XXIX at MIami's Joe Robbie Stadium

San Francisco 49ers vs. Chicago Bears at Candlestick Park Saturday, January 7, 1995. 49ers beat Bears 44-15. San Francisco 49ers quarterback Steve Young (8) runs from Chicago Bears linebacker Vinson Smith (55). (Al Golub/Associated Press)

Miami Dolphin Irving Fryar (80) gets hit by an unidentified Kansas City Chiefs defender while lateraling to teammate James Saxon in the first half of the AFC playoffs in Miami, Saturday, Dec. 31, 1994. The play setup a touchdown by the Dolphins. (Hans Deryk/Associated Press)

Kansas City Chiefs running back Marcus Allen (32) runs for yardage against the Seattle Seahawks during an NFL Football game on October 23, 1994 in Kansas City, Missouri. The Chiefs defeated the Seahawks 38-23. (G. Newman Lowrance/Associated Press)

San Francisco 49ers defensive back Deion Sanders (21) returns an interception for a touchdown during an NFL game against the San Diego Chargers, Sunday, Dec. 11, 1994 in San Diego. The 49ers won the game, 38-15. (Greg Trott/Associated Press)

New York Giants coach Bill Parcells is carried on the shoulders of Lawrence Taylor (56) and Carl Banks (58) after winning the Super Bowl XXV in Tampa, Fla., Sunday, Jan. 28, 1991. The Giants defeated the Buffalo Bills, 20-19. (Ed Reinke/Associated Press)

Kansas City Chiefs linebacker Derrick Thomas rushes in to sack San Francisco 49ers quarterback Steve Young in the end zone during an NFL Football game on September 11, 1994 in Kansas City, Missouri. The Chiefs defeated the 49ers 24-17. (G. Newman Lowrance/Associated Press)

Dallas Cowboys running back Emmitt Smith tries to break free from New York Giants' Corey Miller during the 4th quarter of their game at Giants Stadium in East Rutherford, N.J., Sunday, Jan. 2, 1994. (Bill Kostroun/Associated Press)

Los Angeles Raiders head coach Art Shell is crowned with a bucket of ice water by Raiders Anthony Smith following the Raiders' 42-24 win over the Denver Broncos at the Coliseum on Jan 9, 1994 in Los Angeles. (Reed Saxon/Associated Press)

San Francisco 49ers vs. Philadelphia Eagles at Candlestick Park Sunday, November 29, 1992. 49ers Beat Eagles 20-14. Philadelphia Eagles defensive end Reggie White (92) rushes San Francisco 49ers quarterback Steve Young (8). (Al Golub/Associated Press)

O. J. Simpson interviews Denver Broncos quarterback John Elway (7) on the sidelines during the NFL football game between the Houston Oilers and the Denver Broncos on January 4, 1992 in Denver, Colorado. The Broncos won the game 26-24. (Paul Spinelli/Associated Press)

Detroit Lions running back Barry Sanders plows his way through two defenders during a game against the Tampa Bay Buccaneers in Tampa, Florida on Nov. 10, 1991. (Chris O'Meara/Associated Press)

Atlanta Falcons defensive back Deion Sanders (21) warms up during an NFL game against the San Francisco 49ers on Sunday, Oct. 13, 1991, in San Francisco. The Falcons won the game, 39-34. (Greg Trott/Associated Press)

Los Angeles Raiders running back Marcus Allen (32) moves out on one of his 21 carries for a total of 140 yards during the AFC playoff game with the Cincinnati Bengals at the Los Angeles Coliseum, Sunday, Jan. 13, 1991, in background in Bengals Barney Bussey. (Bob Galbraith/Associated Press)

San Francisco 49ers defenisve back Ronnie Lott (42) gives a victory gesture after a 16-tackle game during an NFL football game against the Washington Redskins on Sunday, Jan. 12, 1991, in San Francisco. The 49ers won the game, 28-10. (Greg Trott/Associated Press)

San Francisco 49ers wide receiver Jerry Rice celebrates his first quarter touchdown against the Denver Broncos on Sunday, Jan. 28, 1990 in New Orleans in Super Bowl Broncos defender Dennis Smith follows behind. (Bill Haber/Associated Press)

Buffalo Bills kicker Scott Norwood, center, misses the field goal on the last play of the game, clinching the victory for the New York Giants in Super Bowl XXV in Tampa Sunday, January 27, 1991. The Giants won 20-19. (Phil Sandlin/Associated Press)

National Football League Commissioner Paul Tagliabue holds the official game ball to be used for the kickoff of the Super Bowl XXIV on Sunday, Jan. 28, in New Orleans. The ball, unveiled in New York, on Thursday, Jan. 11, 1990, is the first to be used in the Super Bowl bearing the signature of the recently elected commissioner. (Marty Lederhandler/Associated Press)

Oakland Raiders vs. Kansas City Chiefs at Oakland Alameda County Coliseum Sunday, November 29, 1999. Chiefs beat Raiders 37-34. Oakland Raiders quarterback Rich Gannon (12) passes over the head of Kansas City Chiefs linebacker Derrick Thomas (58). (AP Photo/Al Golub)

Denver Broncos Terrell Davis in Super Bowl XXXIII against the Atlanta Falcons at Pro Player Stadium on January 31, 1999 in Miami, FL. The Broncos defeated the Falcons 34-19. (Tom DiPace/Associated Press)

Denver Broncos quarterback John Elway stiff-arms Atlanta Falcons linebacker Cornelius Bennett (97) during the third quarter of Super Bowl XXXIII in Miami, Sunday, Jan. 31, 1999. (Doug Mills/Associated Press)