Denver Broncos quarterback Peyton Manning (18) passes against the San Francisco 49ers during the first quarter of an NFL preseason football game in Denver, Sunday, Aug. 26, 2012. (AP Photo/Jack Dempsey)

Denver Broncos wide receiver Eric Decker (87) catches a touchdown pass from quarterback Peyton Manning during the first quarter of an NFL preseason football game against the San Francisco 49ers in Denver, Sunday, Aug. 26, 2012. (AP Photo/Joe Mahoney)

Denver Broncos linebacker Wesley Woodyard (52) celebrates with defensive back Rahim Moore (26) after recovering a fumble against the San Francisco 49ers during the first quarter of an NFL preseason football game in Denver, Sunday, Aug. 26, 2012. (AP Photo/Joe Mahoney)

Denver Broncos quarterback Peyton Manning (18) passes against the San Francisco 49ers during the first quarter of an NFL preseason football game in Denver, Sunday, Aug. 26, 2012. (AP Photo/Jack Dempsey)

Denver Broncos quarterback Peyton Manning (18) celebrates with tight end Jacob Tamme (84) after throwing a touchdown pass to wide receiver Eric Decker against the San Francisco 49ers during the first quarter of an NFL preseason football game in Denver, Sunday, Aug. 26, 2012. (AP Photo/Joe Mahoney)

San Francisco 49ers quarterback Alex Smith (11) passes as Denver Broncos defensive end Elvis Dumervil (92) rushes during the first quarter of an NFL preseason football game in Denver, Sunday, Aug. 26, 2012. (AP Photo/Joe Mahoney)

Denver Broncos linebacker Wesley Woodyard (52) recovers a fumble under San Francisco 49ers offensive tackle Joe Staley (74) during the first quarter of an NFL preseason football game in Denver, Sunday, Aug. 26, 2012. (AP Photo/Joe Mahoney)

Denver Broncos quarterback Peyton Manning (18) celebrates after throwing a touchdown pass to wide receiver Eric Decker (87) during the first quarter of an NFL preseason football game against the San Francisco 49ers in Denver, Sunday, Aug. 26, 2012. (AP Photo/Joe Mahoney)

San Francisco 49ers defensive back Perrish Cox (20) returns an interception off a throw from Denver Broncos quarterback Caleb Hanie during the second quarter of an NFL preseason football game in Denver, Sunday, Aug. 26, 2012. (AP Photo/Jack Dempsey)

San Francisco 49ers tight end Vernon Davis (85) celebrates after scoring a touchdown against the Denver Broncos during the first quarter of an NFL preseason football game in Denver, Sunday, Aug. 26, 2012. (AP Photo/Joe Mahoney)

Denver Broncos running back Willis McGahee (23) rushes past San Francisco 49ers defensive tackle Justin Smith (94) during the first quarter of an NFL preseason football game in Denver, Sunday, Aug. 26, 2012. (AP Photo/Joe Mahoney)

San Francisco 49ers wide receiver Michael Crabtree (15) catches a pass in front of Denver Broncos defensive back Tracy Porter (22) during the first quarter of an NFL preseason football game in Denver, Sunday, Aug. 26, 2012. (AP Photo/Jack Dempsey)

Denver Broncos wide receiver Eric Decker (87) celebrates with fans after catching a touchdown pass from quarterback Peyton Manning during the first quarter of an NFL preseason football game against the San Francisco 49ers in Denver, Sunday, Aug. 26, 2012. (AP Photo/Jack Dempsey)

San Francisco 49ers quarterback Alex Smith, bottom center, fumbles against the Denver Broncos during the first quarter of an NFL preseason football game in Denver, Sunday, Aug. 26, 2012. (AP Photo/Jack Dempsey)

San Francisco 49ers head coach Jim Harbaugh, right, argues with an official during the second quarter of an NFL preseason football game against the Denver Broncos in Denver, Sunday, Aug. 26, 2012. (AP Photo/Joe Mahoney)

San Francisco 49ers running back Anthony Dixon (24) gets away from Denver Broncos defensive back David Bruton (30) to score on a 26-yard touchdown run during the third quarter of an NFL preseason football game in Denver, Sunday, Aug. 26, 2012. (AP Photo/Jack Dempsey)

Denver Broncos quarterback Peyton Manning (18) calls a play at the line of scrimmage during the first quarter of an NFL preseason football game against the San Francisco 49ers in Denver, Sunday, Aug. 26, 2012. (AP Photo/Jack Dempsey)

San Francisco 49ers head coach Jim Harbaugh yells during the second half of an NFL preseason football game against the Denver Broncos in Denver, Sunday, Aug. 26, 2012. (AP Photo/Joe Mahoney)

Denver Broncos head coach John Fox, right, argues with an official during the second half of an NFL preseason football game against the San Francisco 49ers in Denver, Sunday, Aug. 26, 2012. (AP Photo/Jack Dempsey)

Denver Broncos quarterback Peyton Manning (18) watches from the sideline during the second half of an NFL preseason football game against the San Francisco 49ers in Denver, Sunday, Aug. 26, 2012. (AP Photo/Jack Dempsey)

Denver Broncos quarterback Peyton Manning (18) passes against the San Francisco 49ers during the first quarter of an NFL preseason football game in Denver, Sunday, Aug. 26, 2012. (AP Photo/Jack Dempsey)

Denver Broncos head coach John Fox, left, argues with an official during the second half of an NFL preseason football game against the San Francisco 49ers in Denver, Sunday, Aug. 26, 2012. (AP Photo/Joe Mahoney)

Denver Broncos quarterback Brock Osweiler (6) passes against the San Francisco 49ers during the second half of an NFL preseason football game in Denver, Sunday, Aug. 26, 2012. (AP Photo/Joe Mahoney)

San Francisco 49ers placekicker David Akers (2) celebrates after making a field goal during the second half of an NFL preseason football game against the Denver Broncos in Denver, Sunday, Aug. 26, 2012. The 49ers won 29-24. (AP Photo/Joe Mahoney)

Denver Broncos executive vice president of football operations John Elway watches from the sideline during the second half of an NFL preseason football game against the San Francisco 49ers in Denver, Sunday, Aug. 26, 2012. The 49ers won 29-24. (AP Photo/Jack Dempsey)

Denver Broncos head coach John Fox, left, shakes hands with San Francisco 49ers head coach Jim Harbaugh after an NFL preseason football game in Denver, Sunday, Aug. 26, 2012. The 49ers won 29-24. (AP Photo/Jack Dempsey)

Denver Broncos quarterback Peyton Manning, right, shakes hands with San Francisco 49ers cornerback Carlos Rogers (22) after an NFL preseason football game in Denver, Sunday, Aug. 26, 2012. The 49ers won 29-24. (AP Photo/Jack Dempsey)

Denver Broncos quarterback Peyton Manning (18) runs off the field after an NFL preseason football game against the San Francisco 49ers in Denver, Sunday, Aug. 26, 2012. The 49ers won 29-24. (AP Photo/Jack Dempsey)