The Seattle Seahawks opened up a spot on their 53-man roster for free agent running back Fred Jackson by shipping Christine Michael to Dallas on Sunday for an undisclosed draft pick. The Seahawks reportedly traded RB Christine Michael to the Dallas Cowboys on Sunday. (AP Photo/Elaine Thompson) ESPN’s Adam Schefter first reported the news via Twitter, with NFL Media’s Albert Breer writing Seattle received a conditional seventh-round pick for Michael. The Seahawks have not yet responded to a request for confirmation by seattlepi.com Michael was the Seahawks’ top draft pick in 2013, selected No. 62 overall out of Texas A&M. A naturally explosive runner, the 5-foot-10, 220-pounder struggled with ball security and