Chip Kelly called the '. Entering Thursday night's , that MVP defensive end could become a trade chip. NFL Media's Albert Breer reports that Cox is one of three veteran players other teams have viewed as potential trade pieces for the , along with guard and linebacker , per sources on two teams Devin Williams Jersey that have spoken with Philly. While Mathis and Kendricks -- and corner , -- have been involved in trade rumors for some time, the addition of Cox's name to that mix could indicate the steps Kelly is willing to take (or at least the asking price from other teams) to try and get quarterback Marcus Mariota.If Kelly doesn't want to mortgage the team's future in a draft-day trade by adding multiple future first-round choices, he might have no choice but to surrender some of its present.Cox was one of the NFL's most disruptive defensive forces in 2014 and a preposterous snub. The 24-year-old pa s rusher seemingly set up camp in opponent's backfield for 16 weeks. A proven playmaker, , Cox could be the chip teams insist Kelly adds to any trade that boosts the into the top of the draft to nab Mariota. The , for example, run a 3-4 under defensive coordinator Ray Horton and pairing Cox with would be a major boost to the pa s rush -- and a more known quantity than Leonard Williams. With the torrential rumor winds swirling in Chicago, we sit mere hours from finding out if any of them prove to be more than a pa sing gust. The latest Podcast and breaks down the biggest rumors and storylines. Find more content on . Chris Capuano Jersey