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The Cowboys drafted center Travis Frederick in the first round in April, but that might not be the only tweak they wind up making to their offensive line before the start of the regular season.

Bryan Broaddus of the Cowboys website backs up a report from his colleague Jeff Sullivan that there’s a “real chance” the Cowboys sign veteran guard Brian Waters. Waters did not play at all last season after turning in a strong 2011 season with the Patriots. The six-time Pro Bowler was under contract in New England last season, but never reported to the team and the Patriots released him early in the offseason.

Waters said that he wanted to play for a team closer to his home in Texas, which would seem to work in the Cowboys’ favor. Broaddus writes that health issues at guard have led the team to look into the possibility of bringing Waters aboard. Starters Nate Livings and Mackenzy Bernadeau have been hampered by injuries, Bernadeau is on the PUP list, and backup Kevin Kowalski is out for a few weeks with a bruised knee.

If Waters does come aboard, he’d be a good bet to supplant one of those starters. And if he’s fit enough to bring his play back up to its previous level, the Cowboys offense would be better for it.