St. Louis Rams quarterback Sam Bradford (8) warms up before an NFL football game against the Chicago Bears, in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

St. Louis Rams running back Steven Jackson (39) catches a pass during warmups before an NFL football game against the Chicago Bears in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

Chicago Bears cornerback Tim Jennings (26) warms up before an NFL football game against the St. Louis Rams in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

Chicago Bears quarterback Jay Cutler (6) prepares to pass to a receiver against the St. Louis Rams in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears running back Michael Bush (29) is tackled by St. Louis Rams safety Quintin Mikell (27) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

Chicago Bears tight end Kellen Davis (87) is tackled by St. Louis Rams linebacker James Laurinaitis (55) and cornerback Cortland Finnegan (31) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears quarterback Jay Cutler (6) warms up before an NFL football game against the St. Louis Rams in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears quarterback Jay Cutler (6) passes against the St. Louis Rams in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears wide receiver Devin Hester (23) returns a kickoff as he is chased by St. Louis Rams safety Darian Stewart (20) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Nam Y. Huh)

In this photo taken with a fisheye lens, fans watch the action between the Chicago Bears and the St. Louis Rams in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Kiichiro Sato)

Chicago Bears wide receiver Brandon Marshall (15) is tackled by St. Louis Rams cornerback Bradley Fletcher (32) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

St. Louis Rams head coach Jeff Fisher watches his team against the Chicago Bears in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

St. Louis Rams quarterback Sam Bradford (8) rolls out looking for a receiver against the Chicago Bears in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

St. Louis Rams cornerback Cortland Finnegan (31) breaks up a pass intended for Chicago Bears wide receiver Alshon Jeffery in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

St. Louis Rams quarterback Sam Bradford (8) throws to a receiver in the first half of an NFL football game against the Chicago Bears in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

Chicago Bears defensive end Julius Peppers (90) tackles St. Louis Rams running back Steven Jackson (39) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears defensive tackle Amobi Okoye, left, celebrates his sack of the St. Louis Rams quarterback with defensive end Corey Wootton (98) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears wide receiver Devin Hester (23) runs past St. Louis Rams' Justin Cole (52) and Jake McQuaide (44) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

Chicago Bears defensive tackle Stephen Paea (92) celebrates after sacking St. Louis Rams quarterback Sam Bradford (8) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

Chicago Bears running back Michael Bush (29) carries after taking a handoff from quarterback Jay Cutler (6) in the first half of an NFL football game against the St. Louis Rams in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

Chicago Bears wide reciver Brandon Marshall (15) runs the ball agains the St. Louis Rams in an NFL football game at Soldier Field on Sunday, Sept. 23, 2012 in Chicago. (Todd Rosenberg/NFL)

Chicago Bears Devin Hester (23), Jay Cutler (6) and Brandon Marshall (15) huddle before taking on the St. Louis Rams in an NFL football game at Soldier Field on Sunday, Sept. 23, 2012 in Chicago. (Todd Rosenberg/NFL)

Chicago Bears wide reciver Brandon Marshall (15) runs out of the tunnel before taking on the St. Louis Rams in an NFL football game at Soldier Field on Sunday, Sept. 23, 2012 in Chicago. (Todd Rosenberg/NFL)

Chicago Bears running back Michael Bush (29) runs the ball against the St. Louis Rams in an NFL football game at Soldier Field on Sunday, Sept. 23, 2012 in Chicago. (Todd Rosenberg/NFL)

St. Louis Rams quarterback Sam Bradford (8) runs out of the tunnel before taking on the Chicago Bears in an NFL football game at Soldier Field on Sunday, Sept. 23, 2012 in Chicago. (Todd Rosenberg/NFL)

St. Louis Rams quarterback Sam Bradford (8) drops back to pass against the Chicago Bears in an NFL football game at Soldier Field on Sunday, Sept. 23, 2012 in Chicago. (Todd Rosenberg/NFL)

St. Louis Rams cornerback Cortland Finnegan (31) breaks up a pass intended for Chicago Bears wide receiver Alshon Jeffery (17) in an NFL football game at Soldier Field on Sunday, Sept. 23, 2012 in Chicago. (Todd Rosenberg/NFL)

Chicago Bears running back Michael Bush (29) runs the ball against the St. Louis Rams in an NFL football game at Soldier Field on Sunday, Sept. 23, 2012 in Chicago. (Todd Rosenberg/NFL)

St. Louis Rams quarterback Sam Bradford (8) is sacked by Chicago Bears defensive end Shea McClellin (99) and defensive tackle Stephen Paea (92) in an NFL football game at Soldier Field on Sunday, Sept. 23, 2012 in Chicago. (Todd Rosenberg/NFL)

Chicago Bears head coach Lovie Smith watches his team in the first half of an NFL football game against the St. Louis Rams in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears running back Michael Bush (29) spins around as he is tackled by St. Louis Rams cornerback Bradley Fletcher (32) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears running back Kahlil Bell (32) is tackled by St. Louis Rams defenders Jermelle Cudjo (93), William Hayes (95), James Laurinaitis (55) and Kendall Langford (98) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

Chicago Bears wide receiver Brandon Marshall (15) misses a catch while covered by St. Louis Rams safety Craig Dahl (43) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears running back Michael Bush (29) is upended by St. Louis Rams defensive end William Hayes (95) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

Chicago Bears running back Michael Bush (29) rushes for a touchdown against the St. Louis Rams in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears outside linebacker Lance Briggs (55) celebrates after tackling St. Louis Rams running back Daryl Richardson (26) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears running back Michael Bush (29) rushes for a touchdown past St. Louis Rams linebacker Jo-Lonn Dunbar (58) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears outside linebacker Lance Briggs (55) tackles St. Louis Rams running back Daryl Richardson (26) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. Blocking on Briggs is Rams guard Harvey Dahl (62). (AP Photo/Nam Y. Huh)

St. Louis Rams cornerback Cortland Finnegan (31) runs after intercepting a pass intended for Chicago Bears wide receiver Brandon Marshall (15) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

Chicago Bears quarterback Jay Cutler (6) watches his shovel pass go incomplete against the St. Louis Rams in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

St. Louis Rams cornerback Cortland Finnegan (31) intercepts a pass intended for Chicago Bears wide receiver Brandon Marshall (15) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. Also defending on the play is Rams linebacker Jo-Lonn Dunbar (58). (AP Photo/Charles Rex Arbogast)

Chicago Bears running back Michael Bush (29) celebrates his touchdown run against the St. Louis Rams in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears running back Michael Bush (29) rushes for a touchdown against the St. Louis Rams in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Nam Y. Huh)

St. Louis Rams running back Steven Jackson (39) is tackled by Chicago Bears linebacker Brian Urlacher, left, and defensive end Israel Idonije in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

St. Louis Rams wide receiver Steve Smith (12) is tackled from behind by Chicago Bears cornerback Tim Jennings (26) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

St. Louis Rams wide receiver Danny Amendola (16) is tripped up by Chicago Bears linebacker Lance Briggs (55) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

Chicago Bears running back Michael Bush (29) celebrates his touchdown run against the St. Louis Rams with Brandon Marshall (15) in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Nam Y. Huh)

St. Louis Rams cornerback Cortland Finnegan (31) runs after intercepting a pass from the Chicago Bears in the first half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. Helping to block Bears' J'Marcus Webb (73) and guard Roberto Garza (63) is Rams linebacker James Laurinaitis (55). (AP Photo/Nam Y. Huh)

Chicago Bears safety Major Wright (21) runs for a touchdown after an interception against the St. Louis Rams in the second half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

St. Louis Rams cornerback Bradley Fletcher (32) breaks up a pass intended for Chicago Bears wide receiver Brandon Marshall (15) in the second half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Kiichiro Sato)

Chicago Bears safety Major Wright (21) scores on a 45-yard run after an interception against the St. Louis Rams in the second half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

Chicago Bears safety Major Wright (21) scores on a 45-yard run after an interception against the St. Louis Rams in the second half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

Chicago Bears cornerback Tim Jennings (26) reacts after breaking up a pass against the St. Louis Rams in the second half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. The Bears won 23-6. (AP Photo/Charles Rex Arbogast)

Chicago Bears cornerback Tim Jennings (26) reacts after breaking up a pass against the St. Louis Rams in the second half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. The Bears won 23-6. (AP Photo/Charles Rex Arbogast)

St. Louis Rams quarterback Sam Bradford (8) gets tackled by Chicago Bears defenders Julius Peppers (90), Israel Idonije, and Shea McClellin, right, in the second half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. The Bears won 23-6. (AP Photo/Nam Y. Huh)

St. Louis Rams running back Steven Jackson (39) is chased by Chicago Bears linebacker Brian Urlacher (54) in the second half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. The Bears won 23-6. (AP Photo/Charles Rex Arbogast)

St. Louis Rams quarterback Sam Bradford (8) is sacked by Chicago Bears linebacker Nick Roach (53) in the second half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. The Bears won 23-6. (AP Photo/Nam Y. Huh)

St. Louis Rams running back Daryl Richardson (26) is tackled by Chicago Bears linebacker Lance Briggs (55) in the second half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. The Bears won 23-6. (AP Photo/Nam Y. Huh)

St. Louis Rams defensive end Chris Long (91) celebrate with teammates after making a tackle in the second half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. The Bears won 23-6. (AP Photo/Charles Rex Arbogast)

St. Louis Rams wide receiver Danny Amendola (16) leaps in the air as he is tackled by Chicago Bears long snapper Patrick Mannelly (65) and safety Craig Steltz (20) in the second half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. The Bears won 23-6. (AP Photo/Charles Rex Arbogast)

Chicago Bears quarterback Jay Cutler (6) runs as St. Louis Rams safety Craig Dahl (43) closes in for the tackle in the second half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. The Bears won 23-6. (AP Photo/Charles Rex Arbogast)

Chicago Bears cornerback Tim Jennings (26) smiles as leaves the field after their 23-6 win over the St. Louis Rams in an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears cornerback Tim Jennings (26) celebrates with center Roberto Garza (63) in the second half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. The Bears won 23-6. (AP Photo/Nam Y. Huh)

Chicago Bears wide receiver Brandon Marshall (15) makes a catch against St. Louis Rams cornerback Cortland Finnegan (31) in the second half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. The Bears won 23-6. (AP Photo/Charles Rex Arbogast)

St. Louis Rams players sit on the bench in the closing minutes of their 23-6 loss to the Chicago Bears in an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)

Chicago Bears wide receiver Brandon Marshall (15) makes a catch against St. Louis Rams cornerback Cortland Finnegan (31) in the second half of an NFL football game in Chicago, Sunday, Sept. 23, 2012. The Bears won 23-6. (AP Photo/Charles Rex Arbogast)

Chicago Bears head coach Lovie Smith, right, greets St. Louis Rams head coach Jeff Fisher after the Bears' 23-6 win over the Rams in an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears quarterback Jay Cutler (6) and St. Louis Rams quarterback Sam Bradford (8) leave the field after the Bears' 23-6 win over the Rams in an NFL football game in Chicago, Sunday, Sept. 23, 2012. (AP Photo/Charles Rex Arbogast)