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Cowboys vs. Cardinals: Five to watch

8/17/2013

PHOENIX -- The Cowboys play their third preseason game Saturday at Arizona against the Cardinals.

Here are five players to keep an eye on:

David Arkin: He's going to start at left guard with Ronald Leary possibly out for the rest of the preseason as he recoversfrom knee surgery. Arkin battled Kevin Kowalski for playing time at the right guard spot when Mackenzy Bernadeau went down with an injury. Arkin is going to get a chance to show the coaches he can be a productive player, which is important because the Cowboys like to run off the left side where Tyron Smith resides.

George Selvie: After a productive first preseason game (where he picked up two sacks and six tackles), Selvie was inserted into a starting role at defensive end in the second game but slowed down with just two tackles. Selvie will start again against the Cardinals, and a solid game should help his chances of remaining with the club.

B.W. Webb: Webb wants to forget about what happened in the second preseason game at Oakland, where he muffed a punt, missed a tackle and had a few mental errors. In practices after the Raiders game, Webb handled punts with no issues and is doing a better job in pass coverage with the second and third teams. Webb should make the roster, but it's unclear if the Cowboys would try to release him so they could try to get him through waivers and place him on the practice squad.

Terrance Williams: The third-round pick from Baylor missed the first two preseason games while recovering from a concussion. He makes his debut here as the No. 3 receiver. He's looked good in practices and is developing a strong command of the playbook. He is turning into a pretty good threat in the deep passing game.

Gavin Escobar: It has been a tough two weeks for the rookie tight end. Escobar is still behind James Hanna on the depth chart and continues to struggle as a blocker. He's a good receiver, but the Cowboys need their tight ends to block if they're going to increase the number of attempts in the run game.