Williams, Alexander to join him in Hawaii

Robert Griffin III didn't have to wait long. Lorenzo Alexander did. Both players were named to the NFC Pro Bowl roster Wednesday night along with tackle Trent Williams.

Griffin has completed 66.4 percent of his passes for 3,100 yards, 20 touchdowns and five interceptions in his rookie season. He also has rushed for 752 yards and six touchdowns.

"He's changed the game in a lot of ways," Redskins tight end Chris Cooley said of Griffin.

Alexander entered the NFL as an undrafted free agent in 2006 and joined the Redskins' practice squad a year later. It's his first Pro Bowl berth. Alexander said he's better than a year ago when he led the Redskins in special teams tackles. He tops the list again this season; the Redskins credit him with 29.

Rookie running back Alfred Morris and linebacker London Fletcher were named as alternates.

Polumbus sits again
Right tackle Tyler Polumbus, who missed the Philadelphia game Sunday, did not practice because of his concussion. Polumbus suffered the concussion in the Dec. 16 win at Cleveland and has not practiced in full since that time.

Redskins coach Mike Shanahan said he's not sure what the long-term impact is for Polumbus and whether he will be able to play Sunday. With concussions, players are monitored daily.

"I don't know if I want to call it a setback, but maybe you do call it a setback. Anytime somebody's not clear, you know there's some problems with the concussion," Shanahan said. "There were some better signs today but not good enough to practice. So I'm hoping tomorrow that since there has been improvement that those signs go away and he's cleared to play, but I can't tell you for sure."

Linebacker London Fletcher also did not practice because of his sprained ankle. Fletcher has battled the ankle injury throughout the six-game winning streak.

"To have a guy like London play with the injuries he's had is unbelievable," Shanahan said. "He can't literally walk, and to see him play on game day and play at that level is something I've never had. Usually guys have to practice one or two days. So he is really hurting, or he'd be practicing. He hates to give any reps to any other player, so for him to play at that level consistently says everything about him."

Meanwhile, safety DeJon Gomes was limited because of a second-degree sprain of his left knee. Gomes suffered a tear in his medial collateral ligament vs. the Eagles. Shanahan was encouraged that Gomes was even able to work in a limited role.

"I have been with a lot of [defensive backs] that could not practice after just two or three days, so that's a positive sign," Shanahan said.