Getty On Sunday, the Seattle Seahawks have their chance to win their second Super Bowl in franchise history against the New England Patriots . Their Super Bowl in the 2013 season was carried by the “ The Legion Boom ” defense, one of the best defensive units in NFL history. Coming into Super Bowl 60, the Seahawks are once again coming in with a top-of-the-line defense. Seahawks head coach Mike Macdonald has left his imprint on the team. Just as he did with the Baltimore Ravens , Macdonald has