Wisconsin running back Ron Dayne breaks away from Nevada Las Vegas' Brian Hart during the first quarter of an NCAA college football game in Madison, Wis.

Purdue quarterback Drew Brees, right, congratulates Wisconsin running back Ron Dayne, left, after Wisconsin won, 28-21, in West Lafayette, Ind., Saturday, Nov. 6, 1999. Dayne ran for 221 yards and a touchdown to advance his chances of breaking Ricky Williams' career rushing record and winning the Heisman Trophy. (AP Photo/Tom Strattman)

Wisconsin Badgers running back Ron Dayne wearing a black jersey with the number 3, practices, Monday, Dec. 28, 1998 at the Los Angeles Coliseum in Los Angeles. In the background is running back Eddie Faulkner (4). The Badgers battle the UCLA Bruins New Years Day in the Rose Bowl. (AP Photo/Damian Dovarganes)

Wisconsin running back Ron Dayne (33) celebrates in the end zone after his third rushing touchdown against UCLA in the second quarter of the 85th Rose Bowl in Pasadena, Calif. Vinny Testaverde,

Wisconsin running back Ron Dayne (33) breaks away for a 31-yard run in the second quarter against Iowa in Madison, Wis.

Wisconsin tailback Ron Dayne smiles after winning the 1999 Heisman Trophy at the Downtown Athletic Club in New York.

Ron Dayne, Wisconsin tailback and Heisman Trophy winner, talks to reporters Saturday, April 15, 2000, in Madison, Wis., after being picked by the New York Giants in the NFL draft. Dayne was picked 11th overall in the first round. (AP Photo/Andy Manis)

New York Giants' Ron Dayne (27) celebrates his first quarter touchdown against the Atlanta Falcons at the Georgia Dome in Atlanta Sunday, Oct. 8, 2000. (AP Photo/Curtis Compton)

New York Giants running back Ron Dayne dives for yardage during third quarter of 17-14 loss to the Arizona Cardinals at Sun Devil Stadium in Tempe, Ariz. on Sunday, Nov. 14, 2004. (Kirby Lee via AP)

New York Giants running back Ron Dayne (27) runs upfield with the ball during an NFL Game against the Washington Redskins Sept. 24, 2000, in East Rutherford, N. J. (Evan Pinkus via AP)

Ron Dayne of the News York Giants warms up prior to a game against the Green Bay Packers at Lambeau Field on October 3, 2004. New York won 14-7. (AP Photo/G. Newman Lowrance)

Running back Ron Dayne (27) of the New York Giants rushes upfield on August 31, 2001 against the Baltimore Ravens in Baltimore, Maryland. The Ravens won 38 - 9. (AP Photo / Al Messerschmidt))

Ron Dayne #27 of the New York Giants runs for yardage against the Kansas City Chiefs on Sept. 23, 2001 during an NFL football game in Kansas City, Mo. The Giants won 13-3. (AP Photo/G. Newman Lowrance)

New York Giants running back Ron Dayne (27) is seen in action during an NFL playoff game against the Minnesota Vikings Jan 14, 2001, in East Rutherford, N.J. The Giants defeated the Vikings 41-0. (Allen Kee via AP)

CINCINNATI - DECEMBER 26: Running back Ron Dayne #27 of the New York Giants runs with the football against the Cincinnati Bengals on December 26, 2004 at Paul Brown Stadium in Cincinnati, Ohio. The Bengals defeated the Giants 23-22. (AP Photo/Scott Boehm)

New York Giants running back Ron Dayne (27) is seen in action during an NFL playoff game against the Minnesota Vikings Jan 14, 2001, in East Rutherford, N.J. The Giants defeated the Vikings 41-0. (Allen Kee via AP)

New York Giants running back Ron Dayne (27) is seen in action during an NFL game against the Arizona Cardinals Sept. 29. 2002, in Tempe, Ariz. (Allen Kee via AP)

Ron Dayne of the New York Giants runs for yardage against the Green Bay Packers at Lambeau Field on October 3, 2004. New York won 14-7. (AP Photo/G. Newman Lowrance)

New York Giants running back Ron Dayne (27) scores a touchdown on a four-yard run during the first quarter against the Dallas Cowboys Sunday, Dec. 15, 2002, at Giants Stadium in East Rutherford, N.J. Dayne gained 80 yards and scored two touchdowns as the Giants beat the Cowboys 37-7. (AP Photo/Bill Kostroun)

New York Giants running back Ron Dayne (27) during an NFL football game against the Green Bay Packers at Lambeau Field on October 3, 2004 in Green Bay, Wisconsin. The Giants beat the Packers 14-7. (AP Photo/David Stluka)

New York Giants running back Ron Dayne (27) is seen in action during an NFL Game against the Washington Redskins Sept. 24, 2000, in East Rutherford, N. J. (Evan Pinkus via AP)

New York Giants running back Ron Dayne breaks through the line to run 29 yards for a touchdown in the second quarter against the Kansas City Chiefs Friday night, August 13, 2004, at Giants Stadium in East Rutherford. (AP Photo/Bill Kostroun)

Running back Ron Dayne #27 of the New York Giants (3 rushes for 19 yards) tries to avoid a tackle by safety Michael Stone #44 and other members of the Arizona Cardinals at Sun Devil Stadium on November 14, 2004 in Tempe, Arizona. The Cards defeated the Giants 17-14. (AP Photo/Paul Spinelli)

New York Giants' Ron Dayne (27) scores a first quarter touchdown with Atlanta Falcons Henri Crockett (94) in tow at the Georgia Dome in Atlanta Sunday, Oct. 8, 2000. (AP PhotoCurtis Compton)