Denver Broncos quarterback Peyton Manning (18) walks off the field in the second quarter of an NFL football game against the Houston Texans, Sunday, Sept. 23, 2012, in Denver. (AP Photo/Jack Dempsey)
Peyton Manning
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Denver Broncos quarterback Peyton Manning (18) walks off the field in the second quarter of an NFL football game against the Houston Texans, Sunday, Sept. 23, 2012, in Denver. (AP Photo/Jack Dempsey)
