FLORHAM PARK, N.J. -- The Jets are in desperate need of all the offensive weapons they can muster, and they lost an important one Tuesday when second-year tight end Jace Amaro was placed on injured reserve, ending his season.

Coach Todd Bowles announced Amaro has been diagnosed with a torn labrum in his left shoulder and must have corrective surgery. Amaro, who had 38 catches for 345 yards and two touchdowns as a rookie, was injured in the preseason opener at Detroit and had expressed optimism about returning soon, but his condition never improved.

"When he got hurt, it was either a 2 1/2- to three-week period to get better," Bowles said. "If it didn't get any better and it was still worse as it was, then we had to go ahead and do surgery and shelve him.

"So we gave him time to get better, and he didn't get better. So the end result is we had to do surgery and put him on IR . . . He's still in a lot of pain."

Amaro was not available for comment Tuesday, but he had not yet had surgery. Describing Amaro's reaction to the decision, Bowles said: "He was bummed out by it. But if you're in pain and you're not getting any better, you've got to fix it sooner than later."

When he was hurt, Amaro was running second string behind Jeff Cumberland. In the offense installed by coordinator Chan Gailey, Amaro also figured to get time at H-back, which would feature his pass-catching abilities as opposed to his suspect blocking skills.

Now the backup role falls to veteran Kellen Davis. Second-year man Arthur Lynch, who was signed Aug. 18, is competing for a roster spot with rookie Wes Saxton as the Jets prepare for their final preseason game against Philadelphia Thursday night at MetLife Stadium.

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"Somebody has to step up," Bowles said. "We have a couple of guys playing this weekend that we want to see more of. We'll look at it from there. It's just a chance for somebody else to play."

For the moment, Bowles ruled out using 6-2, 225-pound wide receiver Quincy Enunwa as a tight end.

"He's a big wideout now," Bowles said. "He's just able to block better than the rest of them."

During the offseason, Amaro created a tempest when during an interview on Sirius XM NFL he said the Jets were undisciplined under coach Rex Ryan and that Bowles was more demanding.

"He's not really playing around with everybody being late," Amaro said of Bowles. "We had an issue with that last year [under Ryan]. I think guys just weren't as accountable last year as much as they could be."

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Ryan, who now is Buffalo's coach, blasted Amaro for those comments and said he was looking forward to his first game against the Jets on Nov. 12 at MetLife Stadium. Ryan was only slightly more conciliatory Tuesday upon hearing about Amaro's injury.

Speaking to the Bills' media, Ryan described Amaro as a "good kid" who made some "stupid comments" and said he felt badly that the tight end was placed on IR. But Ryan added, "I wasn't afraid of [playing against] him."

Under the current circumstances, no defense has reason to fear the Jets' tight ends.