As expected, Steelers safety Troy Polamalu will sit out Sunday’s game against the Jets with a strained right Achilles’ tendon and a sore calf. He didn’t practice all week and was listed as doubtful on Friday’s injury report.

The Broncos made ailing Kyle Orton their No. 3 QB for Sunday’s game against the Raiders, confirming that ballyhooed rookie Tim Tebow will make his first NFL start.

Drew Stanton will start at QB for the Lions on Sunday against the Buccaneers.

The Titans pulled two lineup surprises for Sunday’s game against the Texans, deactivating TE Bo Scaife and DB Vincent Fuller. Neither player was listed on Friday’s injury report.

Saints rookie RB Chris Ivory couldn’t shake a hamstring injury, so he won’t play Sunday against the Ravens.

The Eagles will have WR DeSean Jackson and CB Asante Samuel in the lineup for Sunday’s NFC East showdown with the Giants.

In one of the biggest games in franchise history, the Jaguars avoided disaster when QB David Garrard (hamstring) and RB Maurice Jones-Drew (knee) were deemed healthy enough to play Sunday against the Colts.

Chiefs QB Matt Cassel is active for Sunday’s Show Me State showdown with the Rams and could start.

It’s officially on paper: Donovan McNabb is the Redskins’ backup QB.