Quarterback Peyton Manning #18 of the Denver Broncos prepares to take the field before a game against the Pittsburgh Steelers at Sports Authority Field at Mile High in Denver, Colorado. (Ric Tapia/NFL)

Denver Broncos quarterback Peyton Manning #18 before the NFL regular season game between the Pittsburg Steelers and the Denver Broncos at Sports Authority Field at Mile High in Denver, Colorado. (Ric Tapia/NFL)

Pittsburgh Steelers quarterback Ben Roethlisberger looks to pass against the Denver Broncos during the first quarter of an NFL football game, Sunday, Sept. 9, 2012, in Denver. (AP Photo/David Zalubowski)

Denver Broncos quarterback Peyton Manning lines up against the Pittsburgh Steelers during the first quarter of an NFL football game, Sunday, Sept. 9, 2012, in Denver. (AP Photo/David Zalubowski)

Olympic gold medalist Missy Franklin, second from left, laughs while in the coin toss huddle with the Denver Broncos and the Pittsburgh Steelers players before their NFL football game, Sunday, Sept. 9, 2012, in Denver. (AP Photo/Joe Mahoney)

Pittsburgh Steelers quarterback Ben Roethlisberger (7) hands off to running back Isaac Redman (33) during the first quarter of an NFL football game against the Denver Broncos, Sunday, Sept. 9, 2012, in Denver. (AP Photo/Joe Mahoney)

Denver Broncos quarterback Peyton Manning looks to pass against the Pittsburgh Steelers during the first quarter of an NFL football game, Sunday, Sept. 9, 2012, in Denver. (AP Photo/David Zalubowski)

Denver Broncos running back Knowshon Moreno (27) is tackled by Pittsburgh Steelers defenders Steve McLendon (90), Cameron Heyward (97) and LaMarr Woodley (56) during the first quarter of an NFL football game, Sunday, Sept. 9, 2012, in Denver. (AP Photo/David Zalubowski)

Denver Broncos quarterback Peyton Manning (18) argues with back judge Steve Freeman (133) during the first quarter of an NFL football game against the Pittsburgh Steelers, Sunday, Sept. 9, 2012 in Denver. (AP Photo/David Zalubowski)

Pittsburgh Steelers quarterback Ben Roethlisberger (7) looks to pass against the Denver Broncos during the first quarter of an NFL football game, Sunday, Sept. 9, 2012, in Denver. (AP Photo/David Zalubowski)

Pittsburgh Steelers wide receiver Emmanuel Sanders celebrates a catch against the Denver Broncos during the first quarter of an NFL football game, Sunday, Sept. 9, 2012, in Denver. (AP Photo/David Zalubowski)

Pittsburgh Steelers running back Isaac Redman (33) runs against the Denver Broncos during the first quarter of an NFL football game, Sunday, Sept. 9, 2012, in Denver. (AP Photo/Joe Mahoney)

Denver Broncos quarterback Peyton Manning (18) hands off to running back Willis McGahee (23) during the first quarter of an NFL football game against the Pittsburgh Steelers, Sunday, Sept. 9, 2012, in Denver. (AP Photo/Joe Mahoney)

Denver Broncos running back Knowshon Moreno (27) slips past Pittsburgh Steelers linebacker Lawrence Timmons (94) to score a touchdown during the second quarter of an NFL football game, Sunday, Sept. 9, 2012, in Denver. (AP Photo/David Zalubowski)

Denver Broncos quarterback Peyton Manning (18) is wrapped up by Pittsburgh Steelers linebacker Larry Foote (50) during the second quarter of an NFL football game, Sunday, Sept. 9, 2012, in Denver. (AP Photo/David Zalubowski)

Denver Broncos quarterback Peyton Manning #18 runs during the NFL regular season game between the Pittsburg Steelers and the Denver Broncos at Sports Authority Field at Mile High in Denver, Colorado. (Ric Tapia/NFL)

Pittsburgh Steelers quarterback Ben Roethlisberger #7 throws the ball before being sacked during the NFL regular season game between the Pittsburg Steelers and the Denver Broncos at Sports Authority Field at Mile High in Denver, Colorado. (Ric Tapia/NFL)

Denver Broncos running back Knowshon Moreno #27 celebrates his touchdown run during the NFL regular season game between the Pittsburg Steelers and the Denver Broncos at Sports Authority Field at Mile High in Denver, Colorado. (Ric Tapia/NFL)

Denver Broncos running back Knowshon Moreno #27 runs into the endzone during the NFL regular season game between the Pittsburg Steelers and the Denver Broncos at Sports Authority Field at Mile High in Denver, Colorado. (Ric Tapia/NFL)

Denver Broncos quarterback Peyton Manning #18 during the NFL regular season game between the Pittsburg Steelers and the Denver Broncos at Sports Authority Field at Mile High in Denver, Colorado. (Ric Tapia/NFL)

Denver Broncos quarterback Peyton Manning #18 hands off to Denver Broncos running back Willis McGahee #23 during the NFL regular season game between the Pittsburg Steelers and the Denver Broncos at Sports Authority Field at Mile High in Denver, Colorado. (Ric Tapia/NFL)

Pittsburgh Steelers linebacker Jason Worilds #93 celebrates after his sack during the NFL regular season game between the Pittsburg Steelers and the Denver Broncos at Sports Authority Field at Mile High in Denver, Colorado. (Ric Tapia/NFL)

Pittsburgh Steelers tight end Heath Miller (83) dives against the Denver Broncos during the third quarter of an NFL football game, Sunday, Sept. 9, 2012 in Denver. (AP Photo/Joe Mahoney)

Denver Broncos wide receiver Eric Decker (87) is tackled at the one yard line by Pittsburgh Steelers defensive back Keenan Lewis (23) and Troy Polamalu (43) during the third quarter of an NFL football game, Sunday, Sept. 9, 2012, in Denver. (AP Photo/David Zalubowski)

Denver Broncos running back Knowshon Moreno (27) is tackled by Pittsburgh Steelers defenders Steve McLendon (90), Cameron Heyward (97) and LaMarr Woodley (56) during the first quarter of an NFL football game, Sunday, Sept. 9, 2012, in Denver. (AP Photo/David Zalubowski)

Pittsburgh Steelers quarterback Ben Roethlisberger is pressured by Denver Broncos defensive tackle Derek Wolfe (95) and defensive tackle Kevin Vickerson (99) during the third quarter of an NFL football game, Sunday, Sept. 9, 2012, in Denver. (AP Photo/David Zalubowski)

Pittsburgh Steelers tight end Heath Miller (83) is tackled by Denver Broncos defensive back Mike Adams (20) during an NFL football game, Sunday, Sept. 9, 2012 in Denver. The Broncos won 31-19. (AP Photo/David Zalubowski)

Denver Broncos linebacker Von Miller (58) celebrates after sacking Pittsburgh Steelers quarterback Ben Roethlisberger during the fourth quarter of an NFL football game, Sunday, Sept. 9, 2012, in Denver. The Broncos won 31-19. (AP Photo/David Zalubowski)

Denver Broncos wide receiver Eric Decker (87) is tackled at the one yard line by Pittsburgh Steelers defensive back Keenan Lewis (23) and Troy Polamalu (43) during the third quarter of an NFL football game, Sunday, Sept. 9, 2012, in Denver. (AP Photo/Joe Mahoney)

Denver Broncos quarterback Peyton Manning (18) is wrapped up by Pittsburgh Steelers linebacker Larry Foote (50) during the second quarter of an NFL football game, Sunday, Sept. 9, 2012, in Denver. (AP Photo/David Zalubowski)

Pittsburgh Steelers wide receiver Mike Wallace (17) celebrates a stouchdown against the Denver Broncos during the third quarter of an NFL football game, Sunday, Sept. 9, 2012, in Denver. (AP Photo/Joe Mahoney)

Denver Broncos quarterback Peyton Manning #18 celebrates his touchdown catch during the NFL regular season game between the Pittsburg Steelers and the Denver Broncos at Sports Authority Field at Mile High in Denver, Colorado. (Ric Tapia/NFL)

Denver Broncos wide receiver Eric Decker #87 dives for the end zone while being tackled by Pittsburgh Steelers free safety Ryan Mundy #29 during the NFL regular season game between the Pittsburg Steelers and the Denver Broncos at Sports Authority Field at Mile High in Denver, Colorado. (Ric Tapia/NFL)

Denver Broncos defensive end Elvis Dumervil #92 grabs the face mask of Pittsburgh Steelers running back Jonathan Dwyer #27 during the NFL regular season game between the Pittsburg Steelers and the Denver Broncos at Sports Authority Field at Mile High in Denver, Colorado. (Ric Tapia/NFL)

Quarterback Peyton Manning #18 of the Denver Broncos smiles following his team's victory over the Pittsburgh Steelers during the NFL regular season game at Sports Authority Field at Mile High in Denver, Colorado. (Ric Tapia/NFL)

Quarterback Peyton Manning #18 of the Denver Broncos points his finger following his team's victory over the Pittsburgh Steelers during the NFL regular season game at Sports Authority Field at Mile High in Denver, Colorado. (Ric Tapia/NFL)

Denver Broncos quarterback Peyton Manning #18 celebrates his win after the NFL regular season game between the Pittsburg Steelers and the Denver Broncos at Sports Authority Field at Mile High in Denver, Colorado. (Ric Tapia/NFL)

September 9 2012; Denver, CO, USA; Denver Broncos cheerleader performs during the first quarter of the game against the Pittsburgh Steelers at Sports Authority Field. Mandatory Credit: Ron Chenoy-US PRESSWIRE