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ST. LOUIS, MO - DECEMBER 13: Todd Gurley #30 of the St. Louis Rams carries the ball in the third quarter against the Detroit Lions at the Edward Jones Dome on December 13, 2015 in St. Louis, Missouri. (Photo by Dilip Vishwanat/Getty Images)

ST. LOUIS, MO - DECEMBER 13: Todd Gurley #30 of the St. Louis Rams carries the ball in the third quarter against the Detroit Lions at the Edward Jones Dome on December 13, 2015 in St. Louis, Missouri. (Photo by Dilip Vishwanat/Getty Images)

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ATLANTA, GA - NOVEMBER 22: Devonta Freeman #24 of the Atlanta Falcons runs the ball during the first half against the Indianapolis Colts at the Georgia Dome on November 22, 2015 in Atlanta, Georgia. (Photo by Kevin C. Cox/Getty Images)

ATLANTA, GA - NOVEMBER 22:  Devonta Freeman #24 of the Atlanta Falcons runs the ball during the first half against the Indianapolis Colts at the Georgia Dome on November 22, 2015 in Atlanta, Georgia.  (Photo by Kevin C. Cox/Getty Images)

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GLENDALE, AZ - FEBRUARY 01: Julian Edelman #11 of the New England Patriots walks off the field after having his helmet knocked off in the first quarter during Super Bowl XLIX at University of Phoenix Stadium on February 1, 2015 in Glendale, Arizona. (Photo by Christian Petersen/Getty Images)

GLENDALE, AZ - FEBRUARY 01:   Julian Edelman #11 of the New England Patriots walks off the field after having his helmet knocked off in the first quarter during Super Bowl XLIX at University of Phoenix Stadium on February 1, 2015 in Glendale, Arizona.  (Photo by Christian Petersen/Getty Images)

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OAKLAND, CA - DECEMBER 07: Latavius Murray #28 of the Oakland Raiders carries in the second quarter against the San Francisco 49ers at O.co Coliseum on December 7, 2014 in Oakland, California. (Photo by Thearon W. Henderson/Getty Images)

OAKLAND, CA - DECEMBER 07:  Latavius Murray #28 of the Oakland Raiders carries in the second quarter against the San Francisco 49ers at O.co Coliseum on December 7, 2014 in Oakland, California.  (Photo by Thearon W. Henderson/Getty Images)

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DAVIE, FL - AUGUST 8: Arian Foster #34 of the Miami Dolphins hangs his gloves off his helmet as he warms up prior to the teams training camp on August 8, 2016 at the Miami Dolphins training facility in Davie, Florida. (Photo by Joel Auerbach/Getty Images)

DAVIE, FL - AUGUST 8: Arian Foster #34 of the Miami Dolphins hangs his gloves off his helmet as he warms up prior to the teams training camp on August 8, 2016 at the Miami Dolphins training facility in Davie, Florida. (Photo by Joel Auerbach/Getty Images)