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ORCHARD PARK, N.Y. (AP) - The Buffalo Bills have placed Alex Carrington on season-ending injured reserve after the starting defensive end tore his left quadriceps.

The move was made on Monday, a day after he was hurt in the fourth quarter of a 27-20 loss to the New York Jets. Carrington was attempting to fight off a block when another player rolled up the back of his leg during Bilal Powell's 3-yard run up the middle.

Coach Doug Marrone said Carrington was scheduled to have surgery on Monday.

The Bills selected Carrington in the third round of the 2010 draft out of Arkansas State. After struggling to get playing time in his first three seasons, Carrington earned a starting job on the left side under new defensive coordinator Mike Pettine. Marrone said its always tough when you see players go down with an injury. "I feel bad. I'm not going to lie to you. I'm not going to sit here and say, 'Next man up.' You have feelings and that's what's difficult. When I say nobody feels sorry for you, I'm talking about on the outside. On the inside, obviously it hurts because here's someone who has put in a lot of work in. Here's someone who may not from a standpoint of numbers, of people looking at, but has been very very productive for us in three games. Someone who is a very very good football player. I look at it as here's a player that put in a lot of time, that's been very consistent, been a good leader for us, done everything we asked him to do and unfortunately he has an injury. From that sense, obviously my thoughts and prayers are with him. Staying strong is very difficult when you have those types of aspirations and expectations for both the coaches and the player. It's tough; he's a player and a great man. You look at this game and we know injuries are a part of it, but at the same time it's hard when you see those things happen. You feel for those players."

There were a number others injured in the Jets gamebut none appear to be anywhere near as serious as the injury Carrington sufferedn. Cornerback Leodis McKelvin is iffy to play against Baltimore on Sunday because of a pulled right hamstring. McKelvin's injury is worrisome because the Bills (1-2) are already down two cornerbacks, including starter Stephon Gilmore. Head coach Doug Marrone told the meida Monday at his weekly news conference "We still have the ability to do what we did last night. Still have the ability to put Aaron Williams down there, also have (Brandon) Burton and (Johnny) Adams on the roster. Now that they're getting used to our system and what we're doing. We also can put (Nickell) Robey out there; he's another one that can play corner out there in different types of packages. That's what we'll do this week. We'll go and we'll work the best situation. Obviously Justin (Rogers) had a very tough game, we all know that. We appreciate his competiveness in that and we'll have to see what's the best combination we have out there and what gives us the best opportunity to play well and perform at a winning level."

Defensive linemen Mario Williams (left ankle) and Marcell Dareus (right ankle), and running back C.J. Spiller (right quadriceps) should be ready to play.