might not be on the field with Kevin Greene Jersey his teammates when the open up the 2017 season. a CBS Sports Radio station, Irving is facing a four-game suspension for violating the 's performance-enhancing drugs policy. , who reported that "the i sue stems from an over-the-counter substance Irving used in an attempt to endorse the product." Fisher wrote that the result Carolina Panthers Jersey of the test isn't "official" yet.Irving has already filed his appeal of the suspension, according to Archer and Schefter.So, make that another offseason in which the Cowboys have been forced to deal with suspensions on the defensive side of the ball. Last year, , , and were all suspended. This Carolina Panthers Sleepwear Underwear year, Irving is the second Cowboy to get hit with a suspension. This is nuts: Members of the front seven has been subject to suspension over the past few seasons NFL Research (@NFLResearch) Obviously, Irving's suspension is not good news for the Cowboys. A year ago, Irving registered just four sacks, but three of those came in a two-game stretch late in the regular season. Losing Irving isn Jeremy Chinn Jersey 't a devastating blow, but given the Cowboys' weakne s is their defense, it's still a blow nonethele s. It's also not good news for Irving, who is scheduled to become a restricted free agent after the upcoming season. The Cowboys can take solace in the fact that they focused on bolstering their defense in the draft, so they have a bit more depth on that side of the ball than they did last year. First-round defensive end Taco Charlton should help fill Irving's Frankie Luvu Jersey void if his appeal falls short of its goal.