ARLINGTON, Texas -- Things are getting more tenuous for the as they try to do away with the in Week 17. They entered the game having ruled out three Nick Perry Jersey starters in , and , but they've now lost yet another key player., the team's resident All-Pro left defensive end, was Whitney Mercilus Jersey initially listed as questionable with a rib injury early in the second quarter. He attempted to return to the game, but was again pulled and sent to the locker room for x-rays. The results have not been good, and the Cowboys Omar Brown Jersey have officially ruled him out for the rest of the contest -- now listing his injury as a back i sue.Without Lawrence and Woods, the Cowboys' defensive front is battling to overcome two major voids in both the pa s rush and the run defense, while the secondary tries to stave off a comeback from without Jordan Morgan Jersey Jones in the mix.Lawrence has battled through injury in the past, playing through a torn Brevin Allen Jersey labrum in 2018 to deliver a double-digit sack tally. He's mi sed no games in 2019, but won't finish out the regular season against the Redskins.