Jacksonville linebacker Mike Peterson was sent home again and probably will be benched or suspended for this weekend's game at Detroit.

Coach Jack Del Rio was still deciding how to punish the Jaguars' captain, who was asked to leave Wednesday after a confrontation with the coach during a team meeting Wednesday.

According to teammates, Del Rio called out Peterson for his muscle-flexing celebration following a shoestring sack at Cincinnati on Sunday. Del Rio was upset that Peterson was reveling in a game the Jaguars trailed 21-3.

Peterson defended himself in the meeting, saying he was trying to give the team a spark in the game, but Del Rio didn't want to hear any excuses. The coach had even told players before he singled a few out that he didn't want to hear a word from anyone.

"That's the first time I've seen a coach and player just disagree in front of everybody to the extent that they did," defensive end Reggie Hayward said Thursday. "It's extremely surprising, but this is a business and when things aren't going right, tempers flare."

SEAHAWKS: Matt Hasselbeck did not make his anticipated return to the practice field Thursday, casting some doubt over whether the Seahawks' indispensable quarterback will be ready to make his scheduled start next week against Arizona.

That didn't mean Hasselbeck wasn't working. He was sweating inside the training room, going through a battery of exercises with a trainer. Their session was continuing a half-hour after the no-pads practice ended.

Today's practice is a light walkthrough, hardly an extensive test of Hasselbeck's back and knee. The Seahawks then leave for Miami to play the Dolphins (4-4) on Sunday, where backup Seneca Wallace will make his fourth consecutive.

BILLS: Top pass-rusher Aaron Schobel will spend at least the next week with his left foot in a cast, but is not expected to miss the rest of the season.

Schobel had the cast placed on his foot to protect a sprained ligament in his big toe after the player was examined by a specialist in North Carolina, a person familiar with the injury told The Associated Press.

COWBOYS: Terrell Owens admitted Thursday what his Dallas teammates couldn't a month ago -- at least publicly: The Cowboys were springing leaks long before Tony Romo broke his pinkie and their Super Bowl hopes started sinking.

Owens said doubt crept in as early as the first month of the season, when the Cowboys lost their first game against Washington then answered with an unimpressive victory against then-winless Cincinnati.

"I think the loss to Washington made a lot of people raise a lot of eyebrows," Owens said. "I think those two games alone kind of let everybody in this locker room know you got to have sort of a self check like, 'OK, we're probably not as good as we think we are, or probably not as good as hyped.' "

RAMS: Running back Steven Jackson is optimistic he'll be able to play Sunday at New York against the Jets, but his coach needs to see evidence why.

Jackson did not practice Thursday.