Peyton Manning, Joel Dreessen, and Nate Irving returned to practice Thursday, albeit in a limited fashion. Champ Bailey and Duke Ihenacho practiced again, but were again limited.
Manning had been sidelined Wednesday to rest his ailing right ankle, which was heavily taped during practice. He also wore a glove on his throwing hand, perhaps in anticipation of cold conditions at SAF@MH on Sunday night.
Robert Ayers was a full participant after having sat out Wednesday, while Wes Welker was upgraded to a full participant.
Danny Trevathan was excused for the birth of his child (Congratulations!).
For Kansas City, punter Dustin Colquitt was excused for personal reasons, while all other players were full participants.
WR/KR Kyle Williams, who was claimed off waivers from San Francisco, practiced with the Chiefs for the first time on Thursday; it's unclear whether he'll play Sunday,
The Chiefs are bringing much bigger cornerbacks to face Denver this year than they had last year; Andy Reid says it's just a matter of preference for GM John Dorsey, rather than a Broncos-specific strategy.
Kansas City's defenders are well aware they need to pressure Peyton to be successful Sunday.
Andy Reid's Eagles were 13-1 following a bye, but they had the great fortune of playing 11 of those games at home.
According to Outside the Lines, Pop Warner saw a whopping 9.5 percent decline in participation between 2010 and 2012, with concerns about head injuries believed to be the primary cause. USA Football has reportedly seen declines of 6.7 percent, while high school participation has dropped at similar rates around the country.
The NFL's competition committee will reportedly consider ways to further protect quarterbacks while in the pocket.
Ed Reed signed with the Jets, reuniting him with Rex Ryan, his former DC from their days in Baltimore.
Richie Incognito filed a non-football injury grievance against the Dolphins, challenging his indefinite suspension.