A member of the grounds crew stand by the tarp as air is blow onto the field before an NFL football game between the Chicago Bears and Minnesota Vikings, Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Stadium employees push rain water off the tarp at Soldier Field before an NFL football game between the Chicago Bears and Minnesota Vikings, Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Chicago Bears quarterback Jay Cutler (6) warms up before an NFL football game against the Minnesota Vikings, Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Minnesota Vikings running back Adrian Peterson runs with the ball during warm-ups before an NFL football game against the Chicago Bears, Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Chicago Bears wide receiver Brandon Marshall catches a pass during warm-ups before an NFL football game against the Minnesota Vikings, Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Chicago Bears head coach Marc Trestman watches his team during warm-ups before an NFL football game against the Minnesota Vikings, Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Chicago Bears quarterback Jay Cutler (6) pumps his fist after throwing a touchdown pass to tight end Martellus Bennett during the first half of an NFL football game against the Minnesota Vikings, Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Jim Prisching)

Chicago Bears' Devin Hester (23) pushes off Minnesota Vikings' Josh Robinson (21) while running a kickoff return during the first half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Jim Prisching)

Chicago Bears running back Matt Forte (22) rushes past Minnesota Vikings defensive end Brian Robison (96) and safety Jamarca Sanford (33) during the first half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Jim Prisching)

Chicago Bears running back Matt Forte (22) is tackled by Minnesota Vikings safety Jamarca Sanford during the first half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Chicago Bears tight end Martellus Bennettm left, celebrates his touchdown reception against the Minnesota Vikings with teammate Matt Slauson (68) during the first half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Minnesota Vikings wide receiver Greg Jennings (15) misses a catch while defended by Chicago Bears cornerback Tim Jennings (26) during the first half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Chicago Bears quarterback Jay Cutler (6) fires a pass against the Minnesota Vikings during the first half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Jim Prisching)

Chicago Bears wide receiver Brandon Marshall (15) celebrates his touchdown reception against the Minnesota Vikings during the first half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Jim Prisching)

Minnesota Vikings running back Adrian Peterson (28) is stopped by Chicago Bears cornerback Tim Jennings and defensive tackle Stephen Paea (92) during the first half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Jim Prisching)

Chicago Bears quarterback Jay Cutler (6) is tackled by Minnesota Vikings defensive end George Johnson (92) during the first half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Minnesota Vikings running back Adrian Peterson (28) rushes against the Chicago Bears during the first half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Jim Prisching)

Minnesota Vikings defensive end Jared Allen (69) tackles Chicago Bears quarterback Jay Cutler (6) during the first half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. Cutler fumbled on the play and the ball was recovered by the Vikings. (AP Photo/Charles Rex Arbogast)

Trainers tend to injured Chicago Bears TE Martellus Bennett during the first half of an NFL football game against the Minnesota Vikings, Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Jim Prisching)

Chicago Bears safety Major Wright, fourth from right, walks off the field with trainers after an injury during the first half of an NFL football game against the Minnesota Vikings, Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Jim Prisching)

Minnesota Vikings running back Adrian Peterson (28) eludes a tackle by Chicago Bears cornerback Charles Tillman during the first half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Minnesota Vikings running back Adrian Peterson (28) is chased by Chicago Bears safety Chris Conte (47) and cornerback Isaiah Frey (31) during the first half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Chicago Bears cornerback Tim Jennings (26) intercepts a pass intended for Minnesota Vikings wide receiver Jerome Simpson (81) during the first half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Jim Prisching)

Chicago Bears head coach Marc Trestman, right, talks with line judge John Hussey (35) during the first half of an NFL football game against the Minnesota Vikings, Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Jim Prisching)

Chicago Bears cornerback Tim Jennings (26) runs after intercepting a pass intended for Minnesota Vikings wide receiver Jerome Simpson (81) during the first half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Jim Prisching)

Minnesota Vikings wide receiver Cordarrelle Patterson (84) gets sandwiched between Chicago Bears linebackers D.J. Williams, left, and Lance Briggs during the second half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Chicago Bears running back Matt Forte (22) dives to gain yardage as Minnesota Vikings safety Harrison Smith (22) tackles him during the second half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Jim Prisching)

Chicago Bears head coach Marc Trestman yells instructions to his team during the second half of an NFL football game against the Minnesota Vikings, Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Jim Prisching)

Minnesota Vikings safety Harrison Smith (22) breaks up a pass intended for Chicago Bears tight end Steve Maneri (87) in the end zone during the second half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Jim Prisching)

Chicago Bears wide receiver Brandon Marshall, top, is tackled by Minnesota Vikings safety Harrison Smith (22) for a first down during the second half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. The Bears won 31-30. (AP Photo/Charles Rex Arbogast)

Minnesota Vikings tight end Kyle Rudolph (82) misses a catch while defended by Chicago Bears linebacker James Anderson, right, during the second half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. The Bears won 31-30. (AP Photo/Charles Rex Arbogast)

Minnesota Vikings quarterback Christian Ponder (7) runs past Chicago Bears cornerback Charles Tillman (33) during the second half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Chicago Bears tight end Martellus Bennett (83) catches the a game-winning touchdown reception late in the second half of an NFL football game against the Minnesota Vikings, Sunday, Sept. 15, 2013, in Chicago. The Bears won 31-30. (AP Photo/Charles Rex Arbogast)

El tight end de los Bears de Chicago Martellus Bennett, izquierda, atrapa el touchdown para la victoria 31-30 ante los Vikings de Minnesota. (AP Photo/Charles Rex Arbogast)

Chicago Bears tight end Martellus Bennett (83) crosses the goal line after a reception to score the game-winning touchdown late in the second half of an NFL football game on Sunday against the Minnesota Vikings, Sunday, Sept. 15, 2013, in Chicago. Vikings cornerback Chris Cook (20) defends. The Bears won 31-30. (AP Photo/Charles Rex Arbogast)

Chicago Bears tight end Martellus Bennett, right, falls into the end zone while defended by Minnesota Vikings cornerback Chris Cook (20) to score the game-winning touchdown late in the second half of an NFL football game on Sunday, Sept. 15, 2013, in Chicago. The Bears won 31-30. (AP Photo/Jim Prisching)

Chicago Bears tight end Martellus Bennett (83) is congratulated by teammates after his game-winning touchdown reception late in the second half of an NFL football game against the Minnesota Vikings, Sunday, Sept. 15, 2013, in Chicago. The Bears won 31-30. (AP Photo/Charles Rex Arbogast)

Chicago Bears linebacker Blake Costanzo strips a ball away from Minnesota Vikings tight end John Carlson (89) near the end of their NFL football game on Sunday, Sept. 15, 2013, in Chicago. The Bears won 31-30. (AP Photo/Charles Rex Arbogast)