New England Patriots running back LeGarrette Blount (29) rushes for a gain during an NFL football game against the Green Bay Packers at Lambeau Field on Sunday, November 30, 2014 in Green Bay, Wisconsin. Green Bay won 26-21. (AP Photo/Aaron M. Sprecher)

New England Patriots running back Brandon Bolden (38) rushes for a gain as Green Bay Packers cornerback Davon House (31) and outside linebacker Clay Matthews (52) defend during an NFL football game at Lambeau Field on Sunday, November 30, 2014 in Green Bay, WI. The Packers beat the Patriots 26-21. (AP Photo/Todd Rosenberg)

New England Patriots running back Jonas Gray (35) runs from Miami Dolphins defensive end Cameron Wake (91) in the second half of an NFL football game Sunday, Dec. 14, 2014, in Foxborough, Mass. (AP Photo/Steven Senne)

New England Patriots running back Brandon Bolden, right, runs with the ball as Minnesota Vikings cornerback Xavier Rhodes defneds during the fourth quarter of an NFL football game Sunday, Sept. 14, 2014, in Minneapolis. (AP Photo/Ann Heisenfelt)

New England Patriots running back Brandon Bolden (38) is seen in action during an NFL football game against the Cincinnati Bengals at Gillette Stadium on Sunday, October 5, 2014 in Foxborough, Massachusetts. New England won 43-17. (AP Photo/Aaron M. Sprecher)

New England Patriots running back Jonas Gray (35) runs for yardage during the NFL week 11 regular season football game against the Indianapolis Colts on Sunday, Nov 16, 2014 in Indianapolis. The Patriots won the game 42-20. (AP Photo/Jim Mahoney)

New England Patriots running back Brandon Bolden (38) tries to run past Philadelphia Eagles linebacker Marcus Smith (90) in the first half of an NFL preseason football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Charles Krupa)

New England Patriots fullback James Develin (46) runs the ball during an NFL preseason football game against the Philadelphia Eagles at Gillette Stadium on Friday August 15, 2014 in in Foxborough, Massachusetts. New England won 42-35. (AP Photo/Aaron M. Sprecher)

Indianapolis Colts inside linebacker D'Qwell Jackson, left, tries to stop New England Patriots fullback James Develin (46) as he scores on a one-yard touchdown pass during the first half of the NFL football AFC Championship game Sunday, Jan. 18, 2015, in Foxborough, Mass. (AP Photo/Julio Cortez)

New England Patriots running back Jonas Gray (35) goes in for a touchdown in action against the Philadelphia Eagles on Friday August 15, 2014 at Foxboro Stadium in Foxboro, Damian Strohmeyer AP Images for Nike

New England Patriots fullback James Develin (46) runs for yardage while pursued by Denver Broncos linebacker Brandon Marshall (54) and safety T.J. Ward (43) in action on Sunday November 2, 2014 at Gillette Stadium in Foxboro Mass. (Damian Strohmeyer AP Images)

New England Patriots' James White runs during the first half of an NFL football game between the Patriots and the New York Giants, Thursday, Aug. 28, 2014, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New England Patriots running back LeGarrette Blount (29) rushes for a gain during an NFL football game against the Detroit Lions at Gillette Stadium on Sunday, November 23, 2014 in Foxborough, Massachusetts. New England won 34-9. (AP Photo/Aaron M. Sprecher)

New England Patriots running back James White (28) looks for running room against Carolina Panthers free safety Charles Godfrey (30) in the first half of an NFL preseason football game Friday, Aug. 22, 2014, in Foxborough, Mass. (AP Photo/Charles Krupa)

New England Patriots running back Jonas Gray (35) gains 3 yards during the 2014 NFL week 8 football game against the Chicago Bears on Sunday, Oct 26, 2014 in Foxboro, MA. The Patriots won the game 51-23. (AP Photo / Jim Mahoney)

New England Patriots running back James White (28) picks up yardage in the second half of an NFL preseason football game against the Carolina Panthers Friday, Aug. 22, 2014, in Foxborough, Mass. (AP Photo/Stephan Savoia)

New England Patriots running back LeGarrette Blount (29) runs against the Seattle Seahawks during the first half of NFL Super Bowl XLIX football game Sunday, Feb. 1, 2015, in Glendale, Ariz. (AP Photo/Matt Slocum)

New England Patriots James Develin (46) runs after making a catch during the NFL Super Bowl XLIX football game against the Seattle Seahawks Sunday, Feb. 1, 2015, in Glendale, Ariz. The Patriots won 28-24. (AP Photo/Tom DiPace)

New England Patriots running back LeGarrette Blount (29) during an NFL regular season game against the San Diego Chargers on Sunday, Dec. 7, 2014 in San Diego. The Patriots won the game 23-14. (AP Photo/Ric Tapia)

New England Patriots fullback James Develin (46) runs past Philadelphia Eagles cornerback Brandon Boykin (22) for a touchdown after catching a pass from quarterback Jimmy Garoppolo in the first half of an NFL preseason football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Charles Krupa)

New England Patriots running back LeGarrette Blount (29) gains 8 yards before being tackled by Indianapolis Colts defensive end Cory Redding (90) in the first quarter during the NFL AFC Championship football game on Sunday, Jan.18, 2015 in Foxboro, MA. The Patriots won the game 45-7. (AP Photo / Jim Mahoney)

New England Patriots quarterback Tom Brady (12) handing the ball to running back James White (28) running with the football during the preseason week three NFL game between the Philadelphia Eagles and the New England Patriots on Friday, August 15, 2014 at Gillette Stadium, Foxborough, Massachusetts. The Patriots beat the Eagles 42-35. (AP Images/David Drapkin)

New England Patriots running back Jonas Gray, left, runs past Philadelphia Eagles free safety Chris Maragos (42) in the second half of an NFL preseason football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Elise Amendola)

New England Patriots running back Brandon Bolden (38) runs with the ball after a reception during an NFL game against the Oakland Raiders at Gillette Stadium in Foxborough, Mass. on Sunday, Sept. 21, 2014 . (Chris Keane/AP Images for Panini)

New England Patriots running back James White (28) during an NFL regular season game against the Kansas City Chiefs on Monday, Sept. 29, 2014 in Kansas City, MO. The Chiefs won the game, 41-14. (AP Photo/Ric Tapia)