Philadelphia Eagles' Brandon Graham (55), Jordan Hicks (58) and Bennie Logan (96) attempt to tackle Dallas Cowboys' Darren McFadden (20) on a run in the second half of an NFL football game Sunday, Nov. 8, 2015, in Arlington, Texas. (AP Photo/Michael Ainsworth)

Dallas Cowboys running back Darren McFadden (20) celebrates his touchdown during the second half of an NFL football game against the Washington Redskins in Landover, Md. (AP Photo/Alex Brandon)

Dallas Cowboys running back Darren McFadden (20) is pushed out of bounds by Oakland Raiders linebacker Tyrell Adams (58) during an NFL preseason football game, Saturday, Aug. 26, 2017 in Arlington, Texas. The Cowboys defeated the Raiders, 24-20. (James D. Smith via AP)

Dallas Cowboys running back Darren McFadden (20) scores a touchdown against the New York Giants, Sunday, October 25, 2015, Secaucus, NJ. The Giants defeated the Cowboys 27-20. (Al Tielemans via AP Images)

Oakland Raiders running back Darren McFadden (20) runs for a 7-yard touchdown past Pittsburgh Steelers strong safety Troy Polamalu (43) and defensive tackle Vance Walker (98) during the first quarter of an NFL football game in Oakland, Calif., Sunday, Oct. 27, 2013. (AP Photo/Marcio Jose Sanchez)

Oakland Raiders running back Darren McFadden carries the ball for a touchdown on a 6-yard reception during the second quarter of an NFL football game against the Denver Broncos in Oakland, Calif., Thursday, Dec. 6, 2012. (AP Photo/Marcio Jose Sanchez)

Oakland Raiders running back Darren McFadden runs past San Diego Chargers linebacker Demorrio Williams during an NFL game on Monday, Sept. 10, 2012 in Oakland, Calif. The Chargers won the game, 22-14. (Ric Tapia/NFL)

Oakland Raiders running back Darren McFadden runs to score a touchdown as Oakland Raiders wide receiver Darrius Heyward-Bey, left, looks on in the first quarter of an NFL football game against the Pittsburgh Steelers in Oakland, Calif., Sunday, Sept. 23, 2012. (AP Photo/Marcio Jose Sanchez)

Oakland Raiders running back Darren McFadden (20) runs for a 7-yard touchdown past Pittsburgh Steelers strong safety Troy Polamalu, rear, free safety Ryan Clark, bottom right, and defensive tackle Vance Walker (98) during the first quarter of an NFL football game in Oakland, Calif., Sunday, Oct. 27, 2013. (AP Photo/Ben Margot)

Oakland Raiders running back Darren McFadden (20) against the San Diego Chargers during an NFL football game in Oakland, Calif., Monday, Sept. 10, 2012. (AP Photo/Tony Avelar)

An official watches as Oakland Raiders running back Darren McFadden makes a catch for a touchdown during the second half of an NFL football game against the Indianapolis Colts in Indianapolis, Sunday, Sept. 8, 2013. The play was reviewed; it was ruled his foot was in bounds. (AP Photo/AJ Mast)

Oakland Raiders running back Darren McFadden (20) leaps past Kansas City Chiefs cornerback Javier Arenas (21) during the first quarter of an NFL football game in Oakland, Calif., Sunday, Dec. 16, 2012. (AP Photo/Marcio Jose Sanchez)

Oakland Raiders running back Darren McFadden is mobbed by fans after scoring a touchdown on a 6-yard pass during the second quarter of an NFL football game against the Denver Broncos in Oakland, Calif., Thursday, Dec. 6, 2012. (AP Photo/Marcio Jose Sanchez)

Oakland Raiders running back Darren McFadden (20) celebrates after scoring on a 4-yard touchdown run against the Cleveland Browns in the first quarter of an NFL football game in Oakland, Calif., Sunday, Oct. 16, 2011. (AP Photo/Ben Margot)

Oakland Raiders running back Darren McFadden (20) runs wide of Denver Broncos defensive end Jason Hunter (52) and linebacker Joe Mays (51) in the fourth quarter of an NFL football game, Monday, Sept. 12, 2011, in Denver. (AP Photo/Joe Mahoney)

Oakland Raiders running back Darren McFadden (20), left, eludes Jacksonville Jaguars safety Sean Considine (37) and rushes down the sideline for a touchdown during an NFL football game in Jacksonville, Fla., Sunday, Dec. 12, 2010.(AP Photo/Phelan M. Ebenhack)

Oakland Raiders running back Darren McFadden (20) jumps into the stands afte a 2-yard touchdown run against the New York Jets during the first quarter of an NFL football game in Oakland, Calif. Sunday, Sept. 25, 2011. (AP Photo/Paul Sakuma)

Oakland Raiders running back Darren McFadden runs a drill during a football workout Tuesday, May 24, 2011 in Buford, Ga. Nearly 2,500 miles from Raiders headquarters, led by defensive end Richard Seymour and quarterback Jason Campbell, the team held the first day of a four-day workout. (AP Photo/David Goldman)

Oakland Raiders running back Darren McFadden (20) gets past Jacksonville Jaguars safety Sean Considine (37) on his way to a 67-yard touchdown during the first half of an NFL football game in Jacksonville, Fla., Sunday, Dec. 12, 2010. (AP Photo/Phelan M. Ebenhack)

Oakland Raiders running back Darren McFadden, right, is tackled by Kansas City Chiefs safety Jon McGraw (47) and linebacker Mike Vrabel (50) in the first quarter of an NFL football game in Oakland, Calif., Sunday, Nov. 7, 2010. (AP Photo/Marcio Jose Sanchez)

Oakland Raiders running back Darren McFadden (20) after game against Seattle Seahawks of an NFL football game in Oakland, Calif., Sunday, Oct. 31, 2010. The Oakland Raiders defgeated the Seattle Seahawks 33-3. (AP Photo/Paul Sakuma)

Oakland Raiders running back Darren McFadden (20) runs for a touchdown against the Denver Broncos during the second half of an NFL football game Sunday, Oct. 24, 2010, in Denver. (AP Photo/ Jack Dempsey )

Oakland Raiders running back Darren McFadden (20) is congratulated by teammate Marcel Reece (45) after a touchdown during the first half of an NFL football game against the Denver Broncos, Sunday, Oct. 24, 2010, in Denver. (AP Photo/ Jack Dempsey )

Oakland Raiders running back Darren McFadden (20) scores a fourth-quarter touchdown as Tennessee Titans' Jason McCourty (30) defends in the second half of their NFL football game at LP Field in Nashville, Tenn., Sunday, Sept. 12, 2010. Tennessee won 38-13. (AP Photo/Frederick Breedon)

Oakland Raiders running back Darren McFadden (20) stiff arms Washington Redskins safety LaRon Landry (30) on a 43-yard pass reception during the first quarter of an NFL football game in Oakland, Calif., Sunday, Dec. 13, 2009. (AP Photo/Jeff Chiu)

Oakland Raiders running back Darren McFadden (20) beats Kansas City Chiefs defenders to the goal line for a touchdown during the second half of an NFL football game Sunday, Sept. 20, 2009 in Kansas City, Mo. The Raiders won 13-10. (AP Photo/Ed Zurga)

Oakland Raiders' Darren McFadden runs during the second half of the NFL football game against the Buffalo Bills at Ralph Wilson Stadium in Orchard Park, N.Y., Sunday, Sept. 21, 2008. The Bills won 24-23. (AP Photo/David Duprey)

Oakland Raiders running back Darren McFadden (20) dives into the end zone for a 19-yard touchdown run in the third quarter of a football game against the Kansas City Chiefs, Sunday, Sept. 14, 2008, in Kansas City, Mo. The Raiders won 23-8. (AP Photo/Ed Zurga)

Running back Darren McFadden, University of Arkansas, holds up a Jersey after being announced as the fourth pick overall by the Oakland Raiders in the NFL Draft Saturday, April 26, 2008 in New York. (AP Photo/Jason DeCrow)

Footbal player Darren McFadden, running back from Artkansas, talks to traders on the floor of the New York Stock Exchange in New York, Thursday, April 24, 2008. The NFL Draft is this weekend in New York, (AP Photo/Seth Wenig)

Running back Darren McFadden of Arkansas during the 2008 Scouting Combine at the RCA Dome in Indianapolis, Indiana on February 22, 2008. (Ben Liebenberg/NFL)

Running back Darren McFadden of Arkansas runs the 40 during the 2008 Scouting Combine at the RCA Dome in Indianapolis, Indiana on February 24, 2008. (Ben Liebenberg/NFL)

Arkansas running backs Felix Jones, left, and Darren McFadden laugh during a news conference to announce their decision to skip their senior season and enter the NFL draft on Monday, Jan. 14, 2008, in Fayetteville, Ark. (AP Photo/Beth Hall)

The four Heisman finalists, from left, Arkansas running back Darren McFadden, Florida quarterback Tim Tebow, Missouri quarterback Chase Daniel, and Hawaii quarterback Colt Brennan enjoy the view of New York City and the Empire State building as they visit Top of The Rock observation deck, Friday, Dec. 7, 2007. (AP Photo/David Karp)

Arkansas running back Darren McFadden displays the Doak Walker Award presented to him at the Home Depot College Football Sports Awards in Lake Buena Vista Fla. on Thursday, Dec. 7, 2006 . (AP Photo/Reinhold Matay)

Arkansas running back Darren McFadden (5) jumps over LSU safety Craig Steltz during the third overtime period of their college football game in Baton Rouge, La., Friday, Nov. 23, 2007. McFadden rushed for three touchdowns and threw for another to lift Arkansas to a 50-48 victory over the top-ranked Tigers on Friday. (AP Photo/Alex Brandon)

Arkansas tailback Darren McFadden (5) runs against LSU in the college football game in Little Rock, Ark. on Nov. 24, 2006. (AP Photo/David Quinn)

Arkansas tailback Darren McFadden passes from the quarterback position during the college football game with LSU in Little Rock, Ark., Friday, Nov. 24, 2006. (AP Photo/Danny Johnston)

Arkansas running back Darren McFadden crosses the goal line after a 63-yard run up the middle in the first half against No. 2 Auburn during a college football game on Saturday, October 7, 2006 in Auburn, Ala.(AP Photo/Todd J. Van Emst)

Arkansas tailback Darren McFadden, right, eludes Southern California linebacker Keith Rivers (55) during the second quarter Saturday, Sept. 2, 2006, in Fayetteville, Ark. (AP Photo/April L. Brown)