Jerome Bettis, running back from Notre Dame. Selected as a first round draft choice by the Los Angeles Rams in 1993 is announced and introduced by NFL Commissioner Paul Tagliabue at the 1993 NFL Draft on April 25, 1993 in New York, New York. (Photo by Al Messerschmidt/NFL)

2 Oct 1994: Running back Jerome Bettis of the Los Angeles Rams celebrates during a game against the Atlanta Falcons at Anaheim Stadium in Anaheim, California. The Falcons won the game, 8-5. (Photo by Al Bello /Allsport)

12 Sep 1993: Running back Jerome Bettis of the Los Angeles Rams moves the ball during a game against the Pittsburgh Steelers at Anaheim Stadium in Anaheim, California. The Rams won the game, 27-0. (Photo by Stephen Dunn /Allsport)

10 Sep 1995: Running back Jerome Bettis (center) of the St. Louis Rams runs against the New Orleans Saints during a game played at Busch Stadium in St. Louis, Missouri. The Rams won the game, 17-13. (Photo by Brian Bahr/Getty Images)

HONOLULU, HI - FEBRUARY 5: San Francisco 49ers running back Ricky Watters #32 and St. Louis Rams running back Jerome Bettis #34 of the NFC Team talk on the bench during the 1995 NFL Pro Bowl at Aloha Stadium on February 5, 1995 in Honolulu, Hawaii. The AFC defeated the NFC 41-13. (Photo by George Rose/Getty Images) * Local Caption* Ricky Watters;Jerome Bettis

2 Dec 2001: Running Back Jerome Bettis #36 of the Pittsburgh Steelers running with the ball during the game against the Minnesota Vikings at Heinz Field in Pittsburgh, Pennsylvania. The Steelers defeated the Vikings 21-16. (Photo by Ezra Shaw /Allsport)

3 Sep 2000: Jerome Bettis #36 of the Pittsburgh Steelers carries the ball during the game against the Baltimore Ravens at Three Rivers Stadium in Pittsburgh, Pennsylvania. The Ravens defeated the Steelers 16-0. (Photo by Rick Stewart /Allsport)

26 Nov 2000: Jerome Bettis #36 of the Pittsburgh Steelers moves with the ball during the game against the Cincinnati Bengals at the Paul Brown Stadium in Cincinnati, Ohio. The Steelers defeated the Bengals 48-28. (Photo by Tom Pidgeon /Allsport)

CINCINNATI - OCTOBER 13: Jerome Bettis #36 of the Pittsburgh Steelers during a game against the Cincinnati Bengals at Paul Brown Stadium on October 13, 2002 in Cincinnati, Ohio. The Steelers beat the Bengals 34-7. (Photo by Tom Pidgeon/Getty Images)

PITTSBURGH - DECEMBER 15: Cornerback Reggie Howard #23 of the Carolina Panthers tries to tackle running back Jerome Bettis #36 of the Pittsburgh Steelers during the game at Heinz Field on December 15, 2002 in Pittsburgh, Pennsylvania. The Steelers defeated the Panthers 30-14. (Photo by Ezra Shaw/Getty Images)

PITTSBURGH - OCTOBER 26: Running back Jerome Bettis #36 of the Pittsburgh Steelers carries the ball against Leonard Little #91, Jamie Duncan #59, and Rich Coady #25 of the St. Louis Rams on October 26, 2003 at Heinz Field in Pittsburgh, Pennsylvania. (Photo by David Maxwell/Getty Images)

PITTSBURGH, PA - NOVEMBER 30: Jerome Bettis #36 of the Pittsburgh Steelers carries the ball as he is chased by Brian Simmons #56 the Cincinnati Bengals on November 30, 2003 at Heinz Field in Pittsburgh, Pennsylvania. The Bengals defeated the Steelers 24-20. (Photo by Rick Stewart/Getty Images)

Pittsburgh Steelers Running Back Jerome Bettis # 36 is tackled by Jay Williams # 91 of the Miami Dolphins during first half action. The playing conditions were tough because of Hurricane Jeanne. Pittsburgh defeated Miami 13-3 at Pro Player Stadium on September 26, 2004 in Miami, Florida. (Photo by Allen Kee/Getty Images)

PITTSBURGH - OCTOBER 10: Jerome Bettis #36 of the Pittsburgh Steelers celebrates during the game against the Cleveland Browns at Heinz Field on October 10, 2004 in Pittsburgh, Pennsylvania. The Steelers defeated the Browns 34-23. (Photo by David Maxwell/Getty Images) * Local Caption* Jerome Bettis

PITTSBURGH - NOVEMBER 7: Jerome Bettis #36 of the Pittsburgh Steelers carries the ball against the Philadelphia Eagles during the game at Heinz Field on November 7, 2004 in Pittsburgh, Pennsylvania. The Steelers defeated the Eagles 27-3. (Photo by Harry How/Getty Images)

PITTSBURGH - JANUARY 15: Running back Jerome Bettis #36 of the Pittsburgh Steelers tries to avoid a tackle by safety Eric Coleman #26 and defensive end Bryan Thomas #99 of the New York Jets in an AFC divisional game at Heinz Field on January 15, 2005 in Pittsburgh, Pennsylvania. (Photo by Andy Lyons/Getty Images)

HONOLULU, HI - FEBRUARY 13: Jerome Bettis #36 of the AFC team and Donovan McNabb #5 of the NFC team talk after the NFL Pro Bowl on February 13, 2005 at Aloha Stadium in Honolulu, Hawaii. The AFC team beat the NFC team 38-27. (Photo by Elsa/Getty Images)

PITTSBURGH - OCTOBER 31: Jerome Bettis #36 of the Pittsburgh Steelers runs against the Baltimore Ravens on October 31, 2005 at Heinz Field in Pittsburgh, Pennsylvania. (Photo by Rick Stewart/Getty Images)

Steelers' Jerome Bettis "The Bus" during the 2006 AFC Championship game between the Denver Broncos and Pittsburgh Steelers at Invesco Field at Mile High Stadium in Denver, Colorado on January 22, 2006. (Photo by G. Newman Lowrance/WireImage.com)

29 Sep 1996: Running back Jerome Bettis of the Pittsburgh Steelers carries the football during the Steelers 30-16 win over the Houston Oilers at Three Rivers Stadium in Pittsburgh, Pennsylvania. (Photo by Rick Stewart/ALLSPORT)

7 Sep 1997: Running back Jerome Bettis #36 of the Pittsburgh Steelers during the Steelers 14-13 win over the Washington Redskins at Three Rivers Stadium in Pittsburgh, Pennsylvania. (Photo by Robert Laberge /Allsport)

7 Dec 1997: Running back Jerome Bettis of the Pittsburgh Steelers tries to break away from safety Tyrone Braxton of the Denver Broncos during a game at Three Rivers Stadium in Pittsburgh, Pennsylvania. The Steelers won the game 35-24. (Photo by Doug Pensinger/Getty Images)

6 Sep 1998: Jerome Bettis #36 of the Pittsburgh Steelers is tackled by Michael McCrary #99 of the Baltimore Ravens during a game at the Memorial Stadium in Baltimore, Maryland. The Steelers defeated the Ravens 20-13. (Photo by Ezra O. Shaw /Allsport)

26 Nov 1998: Running back Jerome Bettis #36 of the Pittsburgh Steelers in action during the game against the Detroit Lions at the Pontiac Silverdome in Pontiac, Michigan. The Lions defeated the Steelers 19-16. (Photo by Tom Pidgeon/Getty Images)

1 Feb 2002: NFL Commissioner Paul Tagliabue presents Jerome Bettis of the Pittsburgh Steelers with "Walter Payton NFL Man of the Year Award" at the Ernest N. Morial Convention Center in New Orleans, Louisiana. (Photo by Brian Bahr/Getty Images)

10 Oct 1999: Jerome Bettis #36 of the Pittsburgh Steelers is running with the ball during the game against the Buffalo Bills at the Ralph Wilson Stadium in Orchard Park, New York. The Bills defeated the Steelers 24-21. (Photo by Rick Stewart /Allsport)

DETROIT - FEBRUARY 05: Running back Jerome Bettis #36 of the Pittsburgh Steelers celebrates on the field after defeating the Seattle Seahawks in Super Bowl XL at Ford Field on February 5, 2006 in Detroit, Michigan. Bettis announced his retirement after the Steelers defeated the Seahawks 21-10. (Photo by Harry How/Getty Images)

DETROIT - FEBRUARY 5: Running back Jerome Bettis #36 of the Pittsburgh Steelers celebrates with the Vince Lombardi Tropy after defeating the Seattle Seahawks in Super Bowl XL at Ford Field on February 5, 2006 in Detroit, Michigan. Bettis announced his retirement after the Steelers defeated the Seahawks 21-10. (Photo by Jonathan Ferrey/Getty Images)