Seahawks reach deal with fourth-round pick Cassius Marsh

The Seahawks have signed fourth-round pick Cassius Marsh, a defensive end from UCLA, the club said Monday. The 6-foot-4, 254-pound Marsh recorded 60 tackles (10.5 for loss) and six sacks in 2013 for the Bruins. He’ll have an opportunity to earn reps behind starters Cliff Avril and Michael Bennett for Seattle, which had top-notch defensive…