Detroit Lions wide receiver Calvin Johnson escapes the grasp of Washington Redskins inside linebacker London Fletcher and rolls into the end zone for a touchdown during the second half of a NFL football game in Landover, Md., Sunday, Sept. 22, 2013. (AP Photo/Alex Brandon)
Washington Redskins cornerback DeAngelo Hall (23) intercepts a ball and runs it back for a touchdown early in the first quarter as the Washington Redskins play the Detroit Lions in NFL football at FedExField, Landover, Md., Monday, September 9, 2013. (Andrew Harnik/The Washington Times)
Detroit Lions quarterback Matthew Stafford passes the ball during the first half of a NFL football game against Washington Redskins in Landover, Md., Sunday, Sept. 22, 2013. (AP Photo/Alex Brandon)
**FILE** San Francisco 49ers linebacker Aldon Smith stands on the sideline during an NFL preseason football game against the Minnesota Vikings in San Francisco on Aug. 25, 2013. (Associated Press)
Cleveland Browns running back Trent Richardson runs the ball during an NFL football game against the Miami Dolphins Sunday, Sept. 8, 2013, in Cleveland. (AP Photo/Tony Dejak)
Detroit Lions wide receiver Calvin Johnson (81) makes a catch for a touchdown against the Arizona Cardinals during the first half of a NFL football game, Sunday, Sept. 15, 2013, in Glendale, Ariz. (AP Photo/Darryl Webb)
Detroit Lions wide receiver Calvin Johnson is reflected in the face mask of Arizona Cardinals defensive back Patrick Peterson during the second half of a NFL football game, Sunday, Sept. 15, 2013, in Glendale, Ariz. (AP Photo/Darryl Webb)
Baltimore Ravens quarterback Joe Flacco celebrates running back Bernard Pierce's touchdown during the second half of an NFL football game against the Cleveland Browns in Baltimore, Md., Sunday, Sept. 15, 2013. (AP Photo/Patrick Semansky)
Tampa Bay Buccaneers coach Greg Schiano, right, talks to free safety Dashon Goldson in the second half of an NFL football game against the New York Jets, Sunday, Sept. 8, 2013, in East Rutherford, N.J. (AP Photo/Mel Evans)