Getty The Dallas Cowboys are gearing up for “Monday Night Football,” but the real action might be happening off the field. As the NFL trade deadline looms, the Cowboys have become one of the hottest topics across the league — thanks to a combination of buzzworthy rumors and serious financial flexibility. W ith $31.5 million in available cap space, owner Jerry Jones is in position to make a major move before the clock hits 4:00 p.m. ET on Tuesday. Cowboys Linked to Big Names Like Trey