Philadelphia Eagles defensive end Brandon Graham has stopped attending team workouts and is expected to stay away from OTAs later this month and possibly mandatory minicamp in June as he seeks out a new contract, sources told Jeff McLane of Philly.com.

Graham has two seasons remaining on a four-year, $26-million contract signed in 2015, but the deal has no guaranteed money left.

“Can’t talk about contract stuff right now,” Graham said when asked for comment by McLane via text message.

In a conflicting report, NFL Network’s Mike Garafolo‘s sources tell him that Graham is expected to return for optional and mandatory work, and has yet to push for a new contract.

The 29-year-old has been a consistent presence for the Eagles over the past seven seasons, racking up 29 total sacks.

However, he’s never posted more than 6.5 sacks in a single season, and Philadelphia might not be inclined to extend him after giving fellow defensive end Vinny Curry a five-year, $46.25-million contract last offseason.

While Graham’s raw numbers have never been too impressive, he’s been a darling of analytics-based NFL sites. He was ranked Pro Football Focus‘ second-best edge player in the league last season, and its ninth-best player overall.

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