Detroit Lions wide receiver Calvin Johnson (81) runs the ball in for a touchdown after making a 73-yard reception in the second quarter of an NFL football game against the Chicago Bears in Detroit, Monday, Sept. 10, 2011. (AP Photo/Rick Osentoski)

Detroit Lions wide receiver Calvin Johnson (81) pulls away from Chicago Bears free safety Brandon Meriweather (31) on a 73-yard touchdown reception during the second quarter of an NFL football game in Detroit, Monday, Oct. 10, 2011. (AP Photo/Rick Osentoski)

A record crowd for Ford Field watches the NFL football game between the Detroit Lions and the Chicago Bears in Detroit, Monday, Oct. 10, 2011. (AP Photo/Bill Fundaro)

FILE - In this Oct. 10, 2011, file photo, Detroit Lions linebacker Stephen Tulloch celebrates after breaking up a pass by Chicago Bears quarterback Jay Cutler in an NFL football game in Detroit. Tulloch says the Lions are back, a year after flopping to a 4-12 finish in 2012 following a rare appearance in the playoffs. (AP Photo/Duane Burleson, File)

FILE - In this Oct. 10, 2011 file photo, Chicago Bears middle linebacker Brian Urlacher (54) watches against the Detroit Lions in the first quarter of their NFL football game in Detroit. Urlacher says he's retiring after spending 13 seasons with the Bears. The eight-time Pro Bowler announced his retirement through social media accounts Wednesday, May 22, 2013. (AP Photo/Paul Sancya, File)