By Dan Lyons The two moves should give Dallas much needed salary cap relief. View the original article to see embedded media. Much of the focus Tuesday has been on Aaron Rodgers’s return to the Packers and the impending Russell Wilson trade to the Broncos, but the Cowboys have made a move with Dak Prescott and his massive contract. The team announced that Prescott and offensive lineman Zack Martin have each had their deals restructured, freeing up significant money against the salary cap as the team nears free agency. According to the team, Prescott’s deal has been restructured to created “rou…