ARLINGTON, Tx. -- Linebacker Stewart Bradley was cut blocked by Cowboys running back Tashard Choice and fell awkwardly on the ground dislocating his elbow early in the second quarter of Sunday night's 30-27 win over the Cowboys.

An integral part of the success against the run early, Bradley was credited with three tackles including one for loss on a stop of Felix Jones in first quarter. Head coach Andy Reid said after the game that Bradley will have an MRI on Monday morning.

Bradley was replaced in the lineup by rookie Jamar Chaney in both the base 4-3 and the nickel packages. Chaney continued to Eagles' strong performance in the run as the Cowboys finished with just 110 rushing yards. Chaney finished the game with a team-high seven total tackles.

"It's sad to see somebody go down, especially someone like Stewart, a leader, but just like coach (Sean McDermott) and everybody tell me in those 'backer roles you have to be ready to go at anytime," Chaney said. "I prepare myself every week like I was going to go in and play."

Chaney is prepared to handle the starting role moving forward until Bradley can return.

"I feel pretty comfortable with that role. I'll probably do way more studying than I normally do," Chaney said. "I'm probably going to be with (linebackers) Coach (Bill) Shuey all throughout the week so I'm ready to go when the time comes."

With Bradley in, the Cowboys had 55 rushing yards in just over a quarter but 26 of them came on a reverse by wide receiver Miles Austin. With Chaney in, the Eagles gave up the same exact amount in two-plus quarters of action. Quarterback Jon Kitna scrambled for 27 of those yards.

"You have to prepare like that because if I'm not able to go in and do what they expect me to do, then they're going to bring somebody else in here," Chaney said. "Coach McDermott and Coach Shuey do a great job of preparing us before the game, telling us their tendencies and what not."

Entering the game, the Eagles knew they had to stop the run as the Cowboys have averaged nearly 150 rushing yards per game in their last four contests.

"If you stop the run, that's pretty much any team, even if you play a team like the Colts. The last two weeks I think they had almost 400 yards rushing. The one thing we wanted to come in and do was stop the run," Chaney said. "They have one of the biggest offensive lines in the NFL. They're trying to maul people and bully people out of there. That was the game plan, to make sure we stop the run."

Chaney made a key tackle early in the third quarter to convert a successful red zone opportunity for the Eagles. Jones took the handoff from Jon Kitna out of the shotgun on third-and-20 and Chaney made the stop after Jones gained 4 yards. Entering the game, the Eagles ranked last in the NFL in red zone defense.

-- Posted by Chris McPherson, 1:05 a.m., December 13