Detroit Lions running back Reggie Bush (21) runs during the first quarter of an NFL football game against the Chicago Bears at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Paul Sancya)

Chicago Bears running back Matt Forte (22) is stopped by Detroit Lions strong safety Don Carey (32) during the first quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Carlos Osorio)

Detroit Lions quarterback Matthew Stafford (9) throws during the first quarter of an NFL football game against the Chicago Bears at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Paul Sancya)

Detroit Lions wide receiver Calvin Johnson (81) makes a reception in front of Chicago Bears cornerback Charles Tillman (33) during the first quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Jose Juarez)

Chicago Bears quarterback Jay Cutler (6) throws during the first quarter of an NFL football game against the Detroit Lions at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Jose Juarez)

Chicago Bears cornerback Charles Tillman (33) and outside linebacker Lance Briggs (55) close in on Detroit Lions wide receiver Calvin Johnson (81) during the first quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Paul Sancya)

Detroit Lions running back Reggie Bush (21) rushes against the defense of the Chicago Bears during the first quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Jose Juarez)

Chicago Bears wide receiver Brandon Marshall (15) pulls away from Detroit Lions strong safety Glover Quin (27) during the first quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Paul Sancya)

Detroit Lions running back Joique Bell (35) pulls away from Chicago Bears cornerback Charles Tillman (33) during the first quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Paul Sancya)

Chicago Bears running back Matt Forte (22) breaks for a 53-yard touchdown during the second quarter of an NFL football game against the Detroit Lions at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Jose Juarez)

Detroit Lions wide receiver Calvin Johnson (81) catches but loses control before hitting the turf in the end zone during the second quarter of an NFL football game against the Chicago Bears at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Jose Juarez)

Detroit Lions quarterback Matthew Stafford (9) reaches out to recover his own fumble, and score as he crossed the goal line during the second quarter of an NFL football game against the Chicago Bears at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Paul Sancya)

Detroit Lions quarterback Matthew Stafford (9) goes over the center for a touchdown but loses control of the ball during the second quarter of an NFL football game against the Chicago Bears at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Paul Sancya)

Detroit Lions quarterback Matthew Stafford (9) falls over the goal line for a touchdown after recovering his own fumble during the second quarter of an NFL football game against the Chicago Bears at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Paul Sancya)

Detroit Lions wide receiver Calvin Johnson (81), defended by Chicago Bears cornerback Charles Tillman (33), catches a two-yard touchdown from quarterback Matthew Stafford during the second quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Jose Juarez)

Detroit Lions running back Reggie Bush, top, jumps over Chicago Bears strong safety Major Wright (21) while heading for the end zone on a 37-yard touchdown run during the second quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Paul Sancya)

Detroit Lions wide receiver Calvin Johnson (81) closes in for the fumble recovery after Chicago Bears free safety Chris Conte (47) knocks the ball away from running back Reggie Bush (21) during the second quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Jose Juarez)

Detroit Lions wide receiver Calvin Johnson (81) and teammate running back Joique Bell (35) celebrate Johnson's touchdown as Chicago Bears strong safety Major Wright (21) look on during the second quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Paul Sancya)

Chicago Bears defensive back Zack Bowman (38) breaks up a pass intended for Detroit Lions wide receiver Calvin Johnson (81) during the fourth quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Bill Fundaro)

Chicago Bears wide receiver Alshon Jeffery (17), defended by Detroit Lions cornerback Darius Slay (30), scores on a 14-yard reception during the fourth quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Carlos Osorio)

Detroit Lions head coach Jim Schwartz signals to the referee during the fourth quarter of an NFL football game against the Chicago Bears at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Carlos Osorio)

Detroit Lions defensive tackle Nick Fairley (98) reacts after scoring on a fumble-recovery during the third quarter of an NFL football game against the Chicago Bears at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Jose Juarez)

Chicago Bears quarterback Jay Cutler (6) fumbles the ball after a hit from Detroit Lions defensive tackle Ndamukong Suh (90) during the third quarter of an NFL football game against at Ford Field in Detroit, Sunday, Sept. 29, 2013. The fumble was recovered by Detroit Lions defensive tackle Nick Fairley for a 4-yard touchdown. (AP Photo/Paul Sancya)

Detroit Lions defensive tackle Nick Fairley (98) runs into the end zone for a touchdown after recovering a fumble by Chicago Bears quarterback Jay Cutler during the third quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Paul Sancya)

Detroit Lions free safety Louis Delmas (26) intercepts a pass intended for Chicago Bears wide receiver Alshon Jeffery (17) during the third quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Paul Sancya)

Chicago Bears running back Matt Forte (22) is stopped by Detroit Lions defensive tackle Ndamukong Suh (90) during the third quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Jose Juarez)

Chicago Bears wide receiver Brandon Marshall (15) is stopped by Detroit Lions cornerback Darius Slay (30) after a 24-yard reception during the third quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Jose Juarez)

Chicago Bears wide receiver Brandon Marshall, left, meets with Detroit Lions wide receiver Calvin Johnson after an NFL football game at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Carlos Osorio)