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Denard Robinson of the Michigan Wolverines celebrates a (Credit: Getty)

Denard Robinson of the Michigan Wolverines celebrates a 42-17 victory over the Iowa Hawkeyes with fans at Michigan Stadium. (Nov. 17, 2012)

Denard Robinson

Denard Robinson spent four years as the starting quarterback for Michigan.

Denard Robinson of the Michigan Wolverines celebrates a
(Credit: Getty)

Denard Robinson of the Michigan Wolverines celebrates a 42-17 victory over the Iowa Hawkeyes with fans at Michigan Stadium. (Nov. 17, 2012)

Michigan quarterback Denard Robinson (16) rushes in the
(Credit: AP Photo Tony Ding)

Michigan quarterback Denard Robinson (16) rushes in the first quarter of an NCAA college football game against Iowa, Saturday, Nov. 17, 2012, in Ann Arbor, Mich. (AP Photo/Tony Ding)

ANN ARBOR, MI - NOVEMBER 17: Denard Robinson
(Credit: Getty Gregory Shamus)

ANN ARBOR, MI - NOVEMBER 17: Denard Robinson #16 of the Michigan Wolverines looks for running room during a first quarter run while playing the Iowa Hawkeyes at Michigan Stadium on November 17, 2012 in Ann Arbor, Michigan. (Photo by Gregory Shamus/Getty Images)

ANN ARBOR, MI - NOVEMBER 17: Denard Robinson
(Credit: Getty Gregory Shamus)

ANN ARBOR, MI - NOVEMBER 17: Denard Robinson #16 of the Michigan Wolverines tries to split the tackles of Louis Trinca-Pasat #90 and Micah Hyde #18 of the Iowa Hawkeyes at Michigan Stadium on November 17, 2012 in Ann Arbor, Michigan. (Photo by Gregory Shamus/Getty Images)

Michigan quarterback Denard Robinson (16) loses his shoe
(Credit: AP Photo Carlos Osorio)

Michigan quarterback Denard Robinson (16) loses his shoe as he runs for a first down against Iowa defensive back Nico Law (21) during the first quarter of an NCAA college football game at Michigan Stadium in Ann Arbor, Mich., Saturday, Nov. 17, 2012. (AP Photo/Carlos Osorio)

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ANN ARBOR, MI - NOVEMBER 17: Denard Robinson
(Credit: Getty Gregory Shamus)

ANN ARBOR, MI - NOVEMBER 17: Denard Robinson #16 of the Michigan Wolverines leaves the field after a 42-17 win over the Iowa Hawkeyes at Michigan Stadium on November 17, 2012 in Ann Arbor, Michigan. (Photo by Gregory Shamus/Getty Images)

Michigan head coach Brady Hoke,right, greets quarterback Denard
(Credit: AP Photo Carlos Osorio)

Michigan head coach Brady Hoke,right, greets quarterback Denard Robinson during a pre-game ceremony for seniors before an NCAA college football game against Iowa at Michigan Stadium in Ann Arbor, Mich., Saturday, Nov. 17, 2012. (AP Photo/Carlos Osorio)

Michigan's Denard Robinson runs out of the backfield
(Credit: MCT JULIAN H. GONZALEZ)

Michigan's Denard Robinson runs out of the backfield during their first drive against Iowa in Ann Arbor, Michigan on Saturday, November 17, 2012. The Michigan Wolverines defeated the Iowa Hawkeyes, 42-17. (Julian H. Gonzalez/Detroit Free Press/MCT)

Michigan's Denard Robinson breaks the tackle of Notre
(Credit: AP)

Michigan's Denard Robinson breaks the tackle of Notre Dame's Manti Te'o during the first half of an NCAA college football game. (Sept. 22, 2012)

Michigan quarterback Denard Robinson (16) slips away from
(Credit: AP Photo LM Otero)

Michigan quarterback Denard Robinson (16) slips away from Alabama linebacker Adrian Hubbard (42) during in the first half of an NCAA college football game at Cowboys Stadium in Arlington, Texas, Saturday, Sept. 1, 2012. (AP Photo/LM Otero)

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Michigan quarterback Denard Robinson (16) passes during the
(Credit: AP Photo LM Otero)

Michigan quarterback Denard Robinson (16) passes during the first half of an NCAA college football game against Alabama at Cowboys Stadium in Arlington, Texas, Saturday, Sept. 1, 2012. (AP Photo/LM Otero)

Michigan quarterback Denard Robinson celebrates after throwing a
(Credit: AP)

Michigan quarterback Denard Robinson celebrates after throwing a touchdown pass during the second quarter of the Sugar Bowl. (Jan. 3, 2012)

Michigan quarterback Denard Robinson (16) throws a touchdown
(Credit: AP Photo/Bill Haber)

Michigan quarterback Denard Robinson (16) throws a touchdown pass under pressure from Virginia Tech defensive ends Tyrel Wilson (66) and Zach McCray (95) during the second quarter of the Sugar Bowl NCAA college football game in New Orleans, Tuesday, Jan. 3, 2012. (AP Photo/Bill Haber)

Virginia Tech defensive tackle Corey Marshall (96) grabs
(Credit: AP Photo/Bill Haber)

Virginia Tech defensive tackle Corey Marshall (96) grabs the pants of Michigan quarterback Denard Robinson (16) as he tries to tackle Robinson during the second quarter of the Sugar Bowl NCAA college football game in New Orleans, Tuesday, Jan. 3, 2012. (AP Photo/Bill Haber)

Denard Robinson #16 of the Michigan Wolverines celebrates
(Credit: Getty Images)

Denard Robinson #16 of the Michigan Wolverines celebrates a second quarter touchdown with David Molk #50 while playing the Ohio State Buckeyes at Michigan Stadium. (Nov. 26, 2011)

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ANN ARBOR, MI - NOVEMBER 26: Denard Robinson
(Credit: Getty/Gregory Shamus)

ANN ARBOR, MI - NOVEMBER 26: Denard Robinson #16 of the Michigan Wolverines gets in for a second quarter touchdown past the tackle of Etienne Sabino #6 of the Ohio State Buckeyes at Michigan Stadium on November 26, 2011 in Ann Arbor, Michigan. (Photo by Gregory Shamus/Getty Images)

Ohio State defensive back C.J. Barnett (4) wraps
(Credit: AP Photo/Tony Ding)

Ohio State defensive back C.J. Barnett (4) wraps up Michigan quarterback Denard Robinson (16) during the second quarter of an NCAA college football game, Saturday, Nov. 26, 2011, in Ann Arbor, Mich. (AP Photo/Tony Ding)

Michigan quarterback Denard Robinson (16) pulls away from
(Credit: AP Photo/Carlos Osorio)

Michigan quarterback Denard Robinson (16) pulls away from Ohio State linebacker Etienne Sabino (6) for a touchdown during the second quarter of an NCAA college football game in Ann Arbor, Mich., Saturday, Nov. 26, 2011. (AP Photo/Carlos Osorio)

ANN ARBOR, MI - NOVEMBER 26: Denard Robinson
(Credit: Getty/Gregory Shamus)

ANN ARBOR, MI - NOVEMBER 26: Denard Robinson #16 of the Michigan Wolverines throws a first quarter touchdown while playing the Ohio State Buckeyes at Michigan Stadium on November 26, 2011 in Ann Arbor, Michigan. (Photo by Gregory Shamus/Getty Images)

ANN ARBOR, MI - NOVEMBER 26: Denard Robinson
(Credit: Getty/Gregory Shamus)

ANN ARBOR, MI - NOVEMBER 26: Denard Robinson #16 of the Michigan Wolverines celebrates a second quarter touchdown with David Molk #50 while playing the Ohio State Buckeyes at Michigan Stadium on November 26, 2011 in Ann Arbor, Michigan. (Photo by Gregory Shamus/Getty Images)

ANN ARBOR, MI - NOVEMBER 26: Denard Robinson
(Credit: Getty/Gregory Shamus)

ANN ARBOR, MI - NOVEMBER 26: Denard Robinson #16 of the Michigan Wolverines gets in for a second quarter touchdown past the tackle of Etienne Sabino #6 of the Ohio State Buckeyes at Michigan Stadium on November 26, 2011 in Ann Arbor, Michigan. (Photo by Gregory Shamus/Getty Images)

Denard Robinson
(Credit: Denard Robinson / Getty Images)

Denard Robinson

Denard Robinson of the Michigan Wolverines talks with
(Credit: Getty)

Denard Robinson of the Michigan Wolverines talks with the Michigan medical staff during the first quarter against Bowling Green in Ann Arbor, Michigan. (Sept. 25, 2010)