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Jack Dempsey, Associated Press
Denver Broncos quarterback Tim Tebow (15) prays while sitting on the bench late in the fourth quarter of an NFL football game against the Kansas City Chiefs, Sunday, Jan. 1, 2012, in Denver.

ENGLEWOOD, Colo. — The commemorative T-shirts and caps proclaiming the Denver Broncos 2011 AFC West champions sat mostly untouched in the team's locker room Monday.

After watching replays of their 7-3 loss to Kansas City, the Broncos still weren't in any mood to celebrate their return to the playoffs after a six-year absence.

Tim Tebow walked through the quiet locker room with a big ice pack on his right shoulder and guard Chris Kuper hobbled in on a broken left leg that landed him on injured reserve.

The Broncos (8-8) have plenty of flaws that need fixing as they get ready to host the Pittsburgh Steelers (12-4) in the first round of the playoffs, including a stagnant offense led by turnover-prone Tebow and a stalled pass rush stymied by Von Miller's injured thumb.