Dallas Cowboys owner Jerry Jones, left, and coach Jimmy Johnson celebrating with the Super Bowl XXVIII trophy after defeating the Buffalo Bills 30-13 at Atlanta's Georgia Dome. (AP Photo/Charles Krupa)

Dallas Cowboys' quarterback Troy Aikman celebrates a 15-yard third-quarter touchdown by running back Emmitt Smith (not pictured) in Super Bowl XXVIII at the Georgia Dome in Atlanta, against the Buffalo Bills, Jan. 30, 1994. The Cowboys beat the Bills 30-13 for their second straight Super Bowl championship. (AP Photo/Doug Mills)

Buffalo Bills' Jim Kelly leaves the field after his team lost the Super Bowl to the Dallas Cowboys Jan. 30, 1994, at the Georgia Dome in Atlanta. In a rematch to last year's Super Bowl, the Cowboys repeated the outcome, this time with a score of 30-13. (AP Photo/Amy Sancetta)

Dallas Cowboys running back Emmitt Smith (22) tumbles into the end zone for a 15-yard touchdown carry ahead of Buffalo Bills cornerback Thomas Smith (28) during Super Bowl XXVIII, a 30-13 Cowboys victory on January 30, 1994, at the Georgia Dome in Atlanta. (National Football League)

Dallas Cowboys wide receiver Alvin Harper (80) takes his 35-yard reception all the way to the one-yard line 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)

Buffalo Bills Hall of Fame quarterback Jim Kelly (12) throws a pass behind a block by tackle Howard Ballard (75) on Dallas Cowboys defensive end Tony Tolbert (92) during the Super Bowl XXVIII NFL game in Atlanta, Ga., on January 30, 1994. The Cowboys defeated the Bills 30-13. (AP Photo/Paul Spinelli)

Dallas Cowboys' winning quarterback Troy Aikman embraces Buffalo Bills' quarterback Jim Kelly after the Cowboys' 30-13 Super Bowl win, Jan. 30, 1994 at Atlanta's Georgia Dome. (AP Photo/David Longstreath)

Dallas Cowboys' head coach Jimmy Johnson hugs quarterback Troy Aikman in their locker room after defeating the Buffalo Bills 30-13 in Super Bowl XXVIII at the Georgia Dome, Jan. 30, 1994. The Cowboys handed the Bills their fourth straight Super Bowl defeat. (AP Photo/Charles Krupa)

Dallas Cowboys defensive back Elvis Patterson (43) and defensive back Kenneth Gant (29) at Super Bowl XXVIII against the Buffalo Bills played at the Georgia Dome in Atlanta, Georgia on January 30, 1994. (National Football League)

Buffalo Bills corner back Nate Odomes (37) runs back an intercepted pass from Dallas Cowboys quarterback Troy Aikman (not pictured) during second quarter action at Super Bowl XXVIII at Georgia Dome in Atlanta, Jan. 30, 1994. (AP Photo/John Gaps III)

Dallas Cowboys Hall of Fame quarterback Troy Aikman (8) fires 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)

Dallas Cowboys running back Emmitt Smith (22) carries Buffalo Bills safeties Henry Jones (20) and Mark Kelso (38) for a few yards during Super Bowl XXVIII, a 30-13 Cowboys victory on January 30, 1994, at the Georgia Dome in Atlanta, Georgia. (National Football League)

Dallas Cowboys linebacker Ken Norton Jr. (51) shows some enthusiasm 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)

Dallas Cowboys fullback Daryl Johnston (48) lowers his shoulder 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)

Buffalo Bills guard John Davis (65) congratulates running back Thurman Thomas (34) after Thomas scored a four-yard touchdown during Super Bowl XXVIII, a 30-13 loss to the Dallas Cowboys on January 30, 1994, at the Georgia Dome in Atlanta, Georgia. (National Football League)

Buffalo Bills cornerback Nate Odomes (37) returns an interception 41 yards during Super Bowl XXVIII, a 30-13 loss to the Dallas Cowboys on January 30, 1994, at the Georgia Dome in Atlanta, Georgia. (National Football League)

Dallas Cowboys safety James Washington and teammate Daryl Johnston celebrates Washington's third quarter touchdown after recovering a Thurman Thomas fumble during Super Bowl XXVIII against the Buffalo Bills, Sunday, Jan. 30, 1994 in Atlanta's Georgia Dome. (AP Photo/Susan Walsh)

Former NFL player Joe Namath performs the coin toss at commemorating the Jets historic upset in Super Bowl III prior to kickoff of Super Bowl XXVIII a 30-13 Dallas Cowboys victory over the Buffalo Bills on January 30, 1994, at the Georgia Dome in Atlanta, Georgia. (National Football League)

Dallas Cowboys head coach Jimmy Johnson is dunked with Gatorade by his players after an NFL Super Bowl XXVIII game against the Buffalo Bills on January 30, 1994 in Atlanta. The Cowboys defeated the Bills 30-13. (AP Photo/Chuck Solomon)

Rap duo Kriss Kross performs at the pregame show for Super Bowl XXVIII, a 30-13 Dallas Cowboys victory over the Buffalo Bills on January 30, 1994, at the Georgia Dome in Atlanta, Georgia. (AP Photo / Al Messerschmidt)

Dallas Cowboys wide receiver Alvin Harper (80) and wide receiver Michael Irvin (88) celebrate after the NFL Super Bowl XXVIII game against the Buffalo Bills on January 30, 1994, in Atlanta, Ga. The Cowboys defeated the Bills 30-13. (National Football League)

Dallas Cowboys Emmitt Smith (22), center, celebrates his third quarter touchdown with teammate Michael Irvin (88) and an enthusiastic cowboy mascot during Super Bowl XXVIII at the Georgia Dome on Jan. 30, 1994. The Cowboys went on to beat the Buffalo Bills 30-13 for their second straight Super Bowl championship. (AP Photo/Susan Walsh)

Dallas Cowboys safety James Washington blows a kiss to the crowd after intercepting a Jim Kelly pass in the fourth quarter of Super Bowl XXVIII in Atlanta, Jan, 30, 1994. The cowboys defeated the Buffalo Bills, 30-13, in a rematch of last year's Super Bowl. (AP Photo/Eric Risberg)

Buffalo Bills running back Thurman Thomas (34) and Super Bowl XXVIII MVP Emmitt Smith of Dallas Cowboys (22) embrace after the Dallas Cowboys 30-13 victory over the Buffalo Bills at the Georgia Dome on January 30, 1994 in Atlanta, Georgia. (Associated Press)

Buffalo Bills Frank Reich hugs Bills kicker Steve Christie after his 54-yard field goal, which broke the previous Super Bowl record of 48 yards, during Super Bowl XXVIII with the Dallas Cowboys, Sunday, Jan. 4, 1994 in Atlanta. (AP Photo/Amy Sancetta)

Dallas Cowboys' Jim Jeffcoat (77) and Charles Haley (94) pull down Buffalo Bills quarterback Jim Kelly during the third quarter of Super Bowl XXVIII, Jan. 30, 1994 at Atlanta's Georgia Dome. The Cowboys beat the Bills, 30-13. (AP Photo/Doug Mills)

Dallas Cowboys head coach Jimmy Johnson celebrates with the Dallas bench during the last seconds of Super Bowl XXVIII, as the Cowboys beat the Buffalo Bills 30-13 in the Georgia Dome in Atlanta, Sunday, Jan. 30, 1994. The Cowboys handed the Bills their fourth straight Super Bowl defeat. (AP Photo/Eric Draper)

The Georgia Satellites perform at the pregame show before Super Bowl XXVIII, a 30-13 Dallas Cowboys victory over the Buffalo Bills on January 30, 1994, at the Georgia Dome in Atlanta, Georgia. (AP Photo/Al Messerschmidt)

Smoke erupts from the four corners of the field at the Georgia Dome in Atlanta during the pre-game show for Super Bowl XXVIII, Sunday, Dec. 30, 1994. The Dallas Cowboys meet the Buffalo Bills in a Super Bowl rematch. (AP Photo/Rick Bowner)

Program cover for Super Bowl XXVIII between the Dallas Cowboys and the Buffalo Bills played at the Georgia Dome in Atlanta, Georgia on January 30, 1994. (National Football League)

A ticket for Super Bowl XXVIII between the Dallas Cowboys and the Buffalo Bills played at the Georgia Dome in Atlanta, Georgia on January 30, 1994. (National Football League)