SANTA CLARA, Calif. — When the Seattle Seahawks hired Mike Macdonald to be their head coach two years ago, it came at a time when most teams were looking for the next young offensive genius to lead their team. But Macdonald had a reputation. The “defensive Sean McVay” was mentioned a few times about Macdonald, who was the Baltimore Ravens’ defensive coordinator before he was hired by Seattle. In Super Bowl LX, Macdonald proved the Seahawks right. Betting on coaches who know how to slow down the NFL’s best offenses can also be a championship formula. The Seahawks won the...