Denver Broncos quarterback Peyton Manning (18) celebrates his seventh touchdown pass of the game against the Baltimore Ravens during the second half of an NFL football game, Thursday, Sept. 5, 2013, in Denver. The Broncos won 49-27. Manning threw a record-tying seven touchdown passes ? something no one had done in 44 years. (AP Photo/Jack Dempsey)

Denver Broncos wide receiver Andre Caldwell (12) hauls in a 28-yard touchdown pass from Peyton Manning (not pictured) during the NFL Kickoff game between the Baltimore Ravens and the Denver Broncos at the Sports Authority Field at Mile High in Denver on Sept. 05, 2013. (Ric Tapia/NFL)

Baltimore Ravens head coach John Harbaugh and Denver Broncos quarterback Peyton Manning (18) shake hands after the NFL Kickoff game between the Baltimore Ravens and the Denver Broncos at the Sports Authority Field at Mile High in Denver on Sept. 05, 2013. (Ric Tapia/NFL)

Baltimore Ravens tight end Ed Dickson (84) pulls in a pass as Denver Broncos strong safety Mike Adams (20) defends during the first half of an NFL football game, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Jack Dempsey)

Denver Broncos outside linebacker Shaun Phillips (90) walks off the field after teammate Danny Trevathan, rear, fumbled at the goal line during the second half of an NFL football game against the Baltimore Ravens, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Jack Dempsey)

Baltimore Ravens quarterback Joe Flacco (5) walks off the field during the second half of an NFL football game against the Denver Broncos, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Joe Mahoney)

Denver Broncos linebacker Danny Trevathan (59) drops the ball before crossing the goal line for a fumble during the second half of an NFL football game against the Baltimore Ravens, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Jack Dempsey)

Denver Broncos' Dominique Rodgers-Cromartie (45), Rahim Moore (26) and Malik Jackson (97) celebrate a stop against the Baltimore Ravens during the second half of an NFL football game, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Jack Dempsey)

Denver Broncos running back Ronnie Hillman (21) is tackled by Baltimore Ravens inside linebacker Josh Bynes, right, and another defender during the second half of an NFL football game, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Jack Dempsey)

Denver Broncos linebacker Nate Irving celebrates his stop on Baltimore Ravens running back Ray Rice (27) during the second half of an NFL football game, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Jack Dempsey)

Baltimore Ravens running back Ray Rice (27) celebrates after scoring a touchdown during the NFL Kickoff game between the Baltimore Ravens and the Denver Broncos at the Sports Authority Field at Mile High in Denver on Sept. 05, 2013. (Ric Tapia/NFL)

Denver Broncos wide receiver Wes Welker scores a touchdown against the Baltimore Ravens during the second half of an NFL football game, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Joe Mahoney)

Denver Broncos wide receiver Demaryius Thomas (88) and Denver Broncos wide receiver Eric Decker (87) celebrate during the NFL Kickoff game between the Baltimore Ravens and the Denver Broncos at the Sports Authority Field at Mile High in Denver on Sept. 05, 2013. (Ric Tapia/NFL)

Denver Broncos wide receiver Andre Caldwell (12) scores a touchdown as Baltimore Ravens cornerback Jimmy Smith (22) defends during the second half of an NFL football game, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Jack Dempsey)

Denver Broncos tight end Julius Thomas (80) celebrates his touchdown against the Baltimore Ravens during the first half of an NFL football game, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Jack Dempsey)

Baltimore Ravens quarterback Joe Flacco (5) throws as Denver Broncos defensive end Robert Ayers (91) pursues during the first half of an NFL football game, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Jack Dempsey)

Denver Broncos tight end Julius Thomas (80) scores on a touchdown catch while being defended by Baltimore Ravens strong safety James Ihedigbo (32) during the NFL Kickoff game between the Baltimore Ravens and the Denver Broncos at the Sports Authority Field at Mile High in Denver on Sept. 05, 2013. (Ric Tapia/NFL)

Baltimore Ravens running back Bernard Pierce (30) is tripped up as Denver Broncos' Wesley Woodyard (52) and Kevin Vickerson (99) defend during the first half of an NFL football game, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Jack Dempsey)

Baltimore Ravens wide receiver Jacoby Jones (12) is tackled by Denver Broncos safety Duke Ihenacho during the first half of an NFL football game, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Joe Mahoney)

Denver Broncos tight end Julius Thomas (80) celebrates his first half touchdown catch during the NFL Kickoff game between the Baltimore Ravens and the Denver Broncos at the Sports Authority Field at Mile High in Denver on Sept. 05, 2013. (Ric Tapia/NFL)

Baltimore Ravens running back Vonta Leach (44) scores a touchdown as Denver Broncos outside linebacker Wesley Woodyard (52) tries to stop him during the first half of an NFL football game, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Jack Dempsey)

Denver Broncos coach John Fox looks at the scoreboard during the first half of an NFL football game against the Baltimore Ravens, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Jack Dempsey)

Denver Broncos fans wait out a rain and lightning delay before an NFL football game between the Baltimore Ravens and the Broncos in Denver on Thursday, Sept. 5, 2013. (AP Photo/Brennan Linsley)

Baltimore Ravens running back Ray Rice runs for a touchdown against the Denver Broncos during the first half of an NFL football game, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Joe Mahoney)

Denver Broncos cornerback Chris Harris (25) celebrates his interception against the Baltimore Ravens with teammates Robert Ayers (91) and Mike Adams (20) during the first half of an NFL football game, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Joe Mahoney)

Denver Broncos tight end Julius Thomas celebrates his touchdown against the Baltimore Ravens during the first half of an NFL football game, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Jack Dempsey)

Denver Broncos wide receiver Wes Welker (83) walks off the field after the NFL Kickoff game between the Baltimore Ravens and the Denver Broncos at the Sports Authority Field at Mile High in Denver on Sept. 05, 2013. (Ric Tapia/NFL)

Denver Broncos quarterback Peyton Manning makes a call in the rain during the first half of an NFL football game against the Baltimore Ravens, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Joe Mahoney)

Denver Broncos quarterback Peyton Manning (18) throws under pressure from Baltimore Ravens outside linebacker Terrell Suggs (55) during the first half of an NFL football game, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Jack Dempsey)

Baltimore Ravens quarterback Joe Flacco looks to throw in the rain against the Denver Broncos during the first half of an NFL football game, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Jack Dempsey)

Baltimore Ravens strong safety James Ihedigbo (32) breaks up a pass intended for Denver Broncos tight end Julius Thomas (80) during the first half of an NFL football game, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Jack Dempsey)

Baltimore Ravens quarterback Joe Flacco warms up prior to the Ravens' NFL football game against the Denver Broncos, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Joe Mahoney)

Fans arrive for an NFL football game between the Denver Broncos and the Baltimore Ravens, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Brennan Linsley)

Denver Broncos quarterback Peyton Manning (18) warms up prior to the Broncos' NFL football game against the Baltimore Ravens, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Jack Dempsey)

Keith Urban performs on a stage floating in Baltimore's Inner Harbor during an NFL Kickoff event, Thursday, Sept. 5, 2013, to celebrate the season-opening NFL football game between the Baltimore Ravens and the Denver Broncos in Denver. (AP Photo/Patrick Semansky)

Balloons are released prior to an NFL football game between the Denver Broncos and the Baltimore Ravens, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Jack Dempsey)

A photographer takes pictures of the Vince Lombardi trophy during a news conference at Tiffany&Co. in New York, Wednesday, Sept. 4, 2013. The retrieval of the trophy from Tiffany&Co. is one of many events leading up to the Super Bowl in New Jersey on Feb. 2, 2014. (AP Photo/Seth Wenig)

Denver Broncos quarterback Peyton Manning warms up prior to the Broncos' NFL football game against the Baltimore Ravens, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Joe Mahoney)

Denver Broncos Executive Vice President John Elway stands on the sidelines prior to an NFL football game between the Broncos and the Baltimore Ravens, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Ed Andrieski)

Keith Urban performs during an NFL Kickoff event on Thursday, Sept. 5, 2013, in Baltimore, to celebrate the opening NFL football game of the season between the Baltimore Ravens and the Denver Broncos. (AP Photo/Patrick Semansky)

Denver Broncos cheerleader during the NFL Kickoff game between the Baltimore Ravens and the Denver Broncos at the Sports Authority Field at Mile High in Denver on Sept. 05, 2013. (Ric Tapia/NFL)

Denver Broncos quarterback Peyton Manning (18) greets teammate Montee Ball (28) as time expires in an NFL football game against the Baltimore Ravens, Thursday, Sept. 5, 2013, in Denver. The Broncos won 49-27. (AP Photo/Joe Mahoney)