Super Bowl XLIX of the Seahawks. This was only the fourth time this has occurred. The other three times were in Super Bowl III (Weeb Ewbank's New York Jets vs. Ewbank's former team, Don Shula's Baltimore Colts), Super Bowl XXXIII (Dan Reeves's Atlanta Falcons vs. Mike Shanahan's Denver Broncos), and Super Bowl XXXVII (Jon Gruden's Tampa Bay Buccaneers vs. Gruden's former team, Bill Callahan's Oakland Raiders). The only previous time that the old coach's former team had won was in Super Bowl XXXIII. The Patriots had also appeared in the only other Super Bowl to be held at University of Phoenix Stadium to
Super Bowl XX were making their Super Bowl debuts. The Bears entered the game after becoming the second team in NFL history to win 15 regular season games. With their then-revolutionary 46 defense, Chicago led the league in several defensive categories, outscored their opponents with a staggering margin of 456–198, and recorded two postseason shutouts. The Patriots were considered a Cinderella team during the 1985 season, and posted an 11–5 regular season record, but entered the playoffs as a wild card because of tiebreakers. But defying the odds, New England posted three road playoff wins to advance to Super Bowl XX. In their