NEW YORK – The New York Jets will make a decision on the availability of Darrelle Revis before the team travels to Pittsburgh on Saturday for their game against the Steelers.

Coach Rex Ryan said the status of the star cornerback, who’s recovering from a concussion, remains unchanged: Revis is cleared for physical activity but not contact.

The team is monitoring Revis throughout each day, but Ryan said if Revis “is not 100 percent, he won’t play. It’s as simple as that.”

Revis spent practice Wednesday and Thursday on the exercise bike on the sideline. If he isn’t cleared by Saturday, he won’t fly to Pittsburgh.

Revis was injured Sunday in the season opener against Buffalo when he made a diving attempt to tackle C.J. Spiller of the Bills and then teammate Bart Scott accidentally kicked him in the head.

CHARGERS: Running back Ryan Mathews has been cleared for contact but was limited in practice as San Diego continued preparing for its home opener Sunday against the Tennessee Titans.

Mathews has been out since breaking his collarbone on his first carry in the exhibition opener on Aug. 9.

Tight end Antonio Gates sat out his second straight practice with sore ribs.

RAMS: St. Louis re-signed quarterback Kellen Clemens, released in the final round of cuts before the opener.

Defensive tackle Darell Scott was released to make room for Clemens, who understood he’d be the backup behind Sam Bradford on Sunday against the Washington Redskins in the home opener.

VIKINGS: Running back Adrian Peterson said his left knee has been a little sore and stiff this week after a successful season opener for Minnesota.

Peterson said the discomfort is “nothing that would hold me back.” He rushed for 84 yards and two touchdowns last Sunday for the Vikings, a little more than eight months after reconstructive surgery.

Peterson said he’s at about 95 percent strength.

EAGLES: Inspired by a cousin who served in Vietnam, Philadelphia’s DeSean Jackson donated $50,000 to the “Wounded Warrior Project.”

Jackson, the quick but diminutive wide receiver, visited with soldiers this week at the Soldier Family Assist Center in Fort Dix, N.J. The group provides aid to military members who incurred service-connected wounds, injuries, or illnesses on or after Sept. 11, 2001.

CARDINALS: Larry Fitzgerald, world traveler and star wide receiver for Arizona, is adding another line to his resume. Next Thursday he will be the conductor for the performance of the national anthem on opening night for the Phoenix Symphony.

Fitzgerald, who holds virtually every Cardinals franchise receiving record, has traveled to more than 75 countries, many of them to promote charities.

THE NFL IS thinking about planting cellphone-size video cameras in the end-zone pylons as an officiating tool.

The lightweight, padded cameras have been in development for about six months and would slide into a slit in the pylon. It could be used to see if the football crossed the goal line or whether a ball carrier got into the end zone at all.

The technology has been tested in exhibition games and will be retested in a regular-season game, but it will be weeks before it’s used in a game telecast.

BILLS: Defensive tackle Marcell Dareus returned to practice after being excused to be with his family in Alabama to mourn the shooting death of his younger brother.

“I am focused,” he said, in a statement released by the team. “I know I have a lot of things going on off the field, but I am here and ready to play. I have 60 more brothers here and ready to support me as well.”

Dareus’ brother, Simeon Gilmore, was one of the three people killed Sunday during a burglary in Birmingham, Ala.