FLORHAM PARK, N.J. - Coach Todd Bowles revealed little Friday about the prospects of several key injured Jets being able to play against the Eagles on Sunday, calling cornerback Darrelle Revis, running back Chris Ivory and receiver Eric Decker game-day decisions.

But there did appear to be at least some optimism about Revis and Ivory, who participated in practice on a limited basis despite their groin and quadriceps injuries, respectively. Decker (knee) did not practice at all.

"He's getting better," Bowles said of Revis. "It's just a matter of how much better he gets."

With Decker probably out and fellow receiver Chris Owusu (knee) definitely out, there presumably will be added opportunities for little-used Jeremy Kerley and not-used-at-all-so-far rookie Devin Smith.

Smith, a second-round draft pick out of Ohio State, said he is physically and mentally ready to go after breaking ribs on the second day of practice in training camp July 31.

"I think any player who's been out for a while and has the possibility to come back would be excited," he said, adding that he had not heard from the coaches whether he will be active. "I've been feeling fine the past two weeks. I've been ready to play. Just waiting to hear from the head guy."

Smith said he has benefited from being around veterans such as Decker and Brandon Marshall and said he is "not worried at all" about being hit for the first time.

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"If you worry about getting hit, you're going to get hurt again," he said.

Bowles wants to see that for himself, though. "He says he's fine, but he hasn't been hit yet, so we'll see," the coach said.

If Smith does play, Bowles said he might be on a "pitch count" in terms of number of plays. But he said he has no concerns about Smith being overwhelmed by the moment.

"He's played a lot of big-time football," Bowles said. "He played at Ohio State. This shouldn't be that big a deal. It's big because it's his first regular-season game. But Devin is a smart guy, he's a tough guy. If he plays, he'll do his job."

Linebacker Trevor Reilly (finger) is out for the Jets and cornerback Darrin Walls (hamstring) is listed as doubtful. Guard Willie Colon (knee) is questionable, along with Revis, Ivory and Decker.

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The Eagles listed running back DeMarco Murray (hamstring) as questionable after he participated fully in practice.

One happy return to full practice participation for the Jets was linebacker Lorenzo Mauldin, who suffered a seemingly severe concussion in the opener against the Browns.

Mauldin said he was surprised how soon he returned. "With the concussion protocol, I never thought it would take just one week to get back," he said. "I would think that it would take two or three weeks . . . I tend to be a fast healer."

Quarterback Geno Smith (jaw) also practiced fully, as he has all week. Bowles said he has not decided whether to activate Smith as Ryan Fitzpatrick's backup Sunday.

"He was sharp," Bowles said of Smith's practice performance. "He has fresh legs . . . He made some good throws."