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NASHVILLE, Tenn. –** The Titans just wrapped up practice on Friday at Saint Thomas Sports Park.

On Sunday, the team will face the Arizona Cardinals at University of Phoenix Stadium.

Three quick hits:

Walden starts for Morgan

The Titans will be without linebacker Derrick Morgan for Sunday's game against the Cardinals.

Morgan, who leads the team with 7.5 sacks, has been ruled out with a knee injury.

Linebacker Erik Walden will start in his place. Second-year linebacker Kevin Dodd will also get extra playing time.

"He is like a starter for us," Titans coach Mike Mularkey said of Walden, who has 29 tackles and three sacks on the season. "I don't think there's a big drop-off. He sets the edge, he is a violent player. He sets the edge, and he is one of the most violent players I've been around. He is my kind of guy. So I don't see us missing a beat with him out there.

"For sure Dodd (will get more snaps), and Nate Palmer will have some snaps out there."

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Celebration no-no**

Mularkey was asked about the team's big-play celebrations on Friday, and he said he liked tight end Delanie Walker's CPR move in Indianapolis ranked among his favorites.

He said he's enjoyed watching his players have fun.

But Mularkey also has a least favorite:

"Whatever our DBs did last week, where I had a phone call from the officials, (saying) if they did it again," Mularkey said, referring to the "layup line" the DBs did after a LeShaun Sims interception late in the game. "They should have been penalized for using the goalpost.

"I can tell you we wouldn't have flipped the ball to Derrick Henry from the 10-yard line (on his 75-yard touchdown run if we'd been penalized half the distance). It may have made a big difference in that game if they would have penalized up like they should have."

So, I wouldn't look for the layup line again…

Injuries

Cornerback Logan Ryan is out of the concussion protocol, and he practiced in full on Friday. He's been cleared by doctors to play on Sunday.

Receiver Rishard Matthews (hamstring) practiced again on Friday and is expected to return to action after missing the previous two games.

Walker (ankle) also practiced in full and is expected to play.