The Eagles have been calling other teams looking for partners to trade back out of the No. 4 spot in the NFL draft, according to two NFL sources. General manager Howie Roseman has reached out to at least two NFL general managers in an attempt to have a deal in place in case the Eagles don’t like what players are left on the board, the sources said. The draft begins on Thursday evening with the entire first round. Rounds 2-3 occur on Friday with the final four rounds taking place on Saturday. Roseman’s willingness to unload the fourth overall pick comes as little surprise. Many analysts consider the top of the draft devoid of premier talent. Even Eagles coach Chip Kelly said last week that there weren’t any “can’t-miss” prospects in the class. Roseman’s willingness to trade back could be fueled by increasing speculation that the top two tackles – Texas A&M’s Luke Joeckel and Central Michigan’s Eric Fisher – will go to the Chiefs and the Jaguars with the first two picks. With tackles Jason Peters and Todd Herremans recovering from injuries and over 30 years old, the Eagles need to add some youth to their offensive line. They would be hard pressed to pass on Joeckel or Fisher if either fell to No. 4.