Indianapolis Colts quarterback Andrew Luck (12) warms up before an NFL football game against the Chicago Bears in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Jim Prisching)

Chicago Bears running back Matt Forte (22) is tackled by Indianapolis Colts linebacker Moise Fokou (58) and safety Antoine Bethea (41) during an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Jim Prisching)

Chicago Bears quarterback Jay Cutler (6) is sacked by Indianapolis Colts linebacker Robert Mathis (98) during the first half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Jim Prisching)

Indianapolis Colts linebacker Robert Mathis (98) celebrates after sacking Chicago Bears quarterback Jay Cutler during the first half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Jim Prisching)

Chicago Bears quarterback Jay Cutler (6) points as he calls a play from the line of scrimmage against the Indianapolis Colts during the first half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears running back Matt Forte (22) rushes for 32 yards with Indianapolis Colts linebacker Jerrell Freeman (50) pursuing during the first half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Nam Y. Huh)

Indianapolis Colts linebacker Jerrell Freeman (50) celebrates with teammates Kavell Conner (53) and Cory Redding (90) after his interception in the end zone against the Chicago Bears during the first half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Jim Prisching)

Chicago Bears quarterback Jay Cutler (6) passes against the Indianapolis Colts during the first half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Jim Prisching)

Indianapolis Colts quarterback Andrew Luck (12) prepares to pass against the Chicago Bears during the first half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Jim Prisching)

Indianapolis Colts quarterback Andrew Luck (12) passes against the Chicago Bears during the first half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears linebacker Brian Urlacher (54) celebrates after a quarterback sack against the Indianapolis Colts during the first half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears cornerback Tim Jennings (26) celebrates after intercepting against the Indianapolis Colts during the first half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Nam Y. Huh)

Indianapolis Colts wide receiver Reggie Wayne (87) runs with the ball after a reception as Chicago Bears cornerback Kelvin Hayden (24) pursues during the first half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Nam Y. Huh)

Indianapolis Colts running back Donald Brown (31) rushes for a touchdown with Chicago Bears defensive end Corey Wootton (98) in pursuit during the first half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Nam Y. Huh)

Indianapolis Colts running back Donald Brown (31) celebrates his touchdown run with quarterback Andrew Luck (12) during the first half of an NFL football game against the Chicago Bears in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Jim Prisching)

Chicago Bears wide receiver Brandon Marshall (15) runs after a reception as Indianapolis Colts defensive end Fili Moala (95) pursues during the first half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Jim Prisching)

Indianapolis Colts quarterback Andrew Luck (12) celebrates a touchdown run by running back Donald Brown against the Chicago Bears during the first half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Jim Prisching)

Indianapolis Colts tight end Coby Fleener (80) tries to fight off a tackle by Chicago Bears safety Major Wright (21) during the first half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears free safety Chris Conte (47) intercepts a pass in the end zone between Indianapolis Colts wide receiver Kris Adams (81) and tackle Jeff Linkenbach (72) during the second half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears running back Matt Forte (22) celebrates after rushing for a touchdown against the Indianapolis Colts during the second half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears running back Matt Forte (22) rushes for a touchdown between Indianapolis Colts defenders Kavell Conner (53) and Cory Redding (90) during the second half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Nam Y. Huh)

Chicago Bears wide receiver Alshon Jeffery (17) makes a 42-yard touchdown reception past Indianapolis Colts cornerback Vontae Davis (23) during the second half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Jim Prisching)

Chicago Bears cornerback Tim Jennings (26) reacts to his second interception against the Indianapolis Colts during the second half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. The Bears won 41-21. (AP Photo/Nam Y. Huh)

Indianapolis Colts cornerback Vontae Davis sits on the bench in the closing minutes of the Colts' 41-21 loss to the Chicago Bears in an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Jim Prisching)

Indianapolis Colts quarterback Andrew Luck (12) watches from the bench in the closing minutes of the Colts' 41-21 loss to the Chicago Bears in an NFL football game in Chicago, Sunday, Sept. 9, 2012. (AP Photo/Jim Prisching)

Chicago Bears cornerback Tim Jennings (26) reacts after his second interception against the Indianapolis Colts during the second half of an NFL football game in Chicago, Sunday, Sept. 9, 2012. The Bears defeated the Colts 41-21. (AP Photo/Nam Y. Huh)