Peyton Manning hasn't lost in Arrowhead Stadium since he left the Colts.
Oddsmakers know that -- but they're still picking the Chiefs to beat the Broncos on Thursday night.
Head coach Andy Reid's team is a three-point home favorite in primetime. That means the game would be a pick 'em if it were held in Denver.
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Manning's recent struggles make his team the underdog. He hasn't quite grasped the entire new playbook and hasn't seemed like his usual, touchdown-tossing self.
Meanwhile, the Chiefs new-look offense marched into Houston and took it to a playoff-level defense.