Mike Shanahan

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Washington Redskins head coach Mike Shanahan yells on the sidelines during the first half of an NFL football game against the Carolina Panthers Sunday, Nov. 4, 2012, in Landover, Md. (AP Photo/Nick Wass)

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Washington Redskins head coach Mike Shanahan argues a play in the first quarter as the Washington Redskins take on the Carolina Panthers at FedEx Field, Landover, Md., Sunday, November 4, 2012. (Andrew Harnik/The Washington Times)

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Washington Redskins head coach Mike Shanahan argues a play in the first quarter as the Washington Redskins take on the Carolina Panthers at FedEx Field, Landover, Md., Sunday, November 4, 2012. (Andrew Harnik/The Washington Times)

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** FILE ** Washington Redskins head coach Mike Shanahan argues with a referee on the sideline in the third quarter as the Washington Redskins take on the Pittsburgh Steelers at Heinz Field, Pittsburgh, Pa., Sunday, October 28, 2012. (Andrew Harnik/The Washington Times)

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Washington Redskins Head Coach Mike Shanahan has words with Line Judge Adrian Hill in the fourth quarter at MetLife Stadium in East Rutherford, N.J., Sunday, Oct. 21, 2012. (Rod Lamkey Jr./The Washington Times)

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Washington Redskins Head Coach Mike Shanahan has words with Line Judge Adrian Hill in the fourth quarter at MetLife Stadium in East Rutherford, N.J., Sunday, Oct. 21, 2012. (Rod Lamkey Jr./The Washington Times)

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Washington Redskins quarterback Robert Griffin III (10) laughs with Washington Redskins head coach Mike Shanahan on the sideline after running a 76 yards for a touchdown to put the Washington Redskins up 38-26 in the fourth quarter as the Washington Redskins play the Minnesota Vikings at FedEx Field, Landover, Md., Sunday, October 14, 2012. (Craig Bisacre/ The Washington Times)

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Washington Redskins quarterback Robert Griffin III (10) laughs with Washington Redskins head coach Mike Shanahan on the sideline after running a 76 yards for a touchdown to put the Washington Redskins up 38-26 in the fourth quarter. (Craig Bisacre/ The Washington Times)

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Washington Redskins head coach Mike Shanahan walks off the field as the Washington Redskins lose to the Atlanta Falcons 24-17 at FedEx Field, Landover, Md., Sunday, October 7, 2012. (Andrew Harnik/The Washington Times)

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Washington Redskins head coach Mike Shanahan during a game against the Tampa Bay Buccaneers. (AP Photo/Margaret Bowles)

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Washington Redskins head coach Mike Shanahan yells at a ref in the first half as the Washington Redskins play the Cincinnati Bengals on their home opener at FedEx Field, Landover, Md., Sunday, September 23, 2012. (Andrew Harnik/The Washington Times)

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Washington Redskins head coach Mike Shanahan yells at a ref in the first half. (Andrew Harnik/The Washington Times)

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The Washington Redskins sideline including head coach Mike Shanahan, right, reacts after wide receiver Joshua Morgan (15) picked up an unsportsmanlike conduct penalty for throwing the ball at an opposing player during the fourth quarter action against the St. Louis Rams in an NFL football game on Sunday, Sept. 16, 2012 at the Edward Jones Dome in St. Louis. (AP Photo/St. Louis Post-Dispatch, Chris Lee)