Super Bowl XVI man to play in a Super Bowl and then be a head coach in a Super Bowl. Gregg played in Super Bowls I and II as a member of the Green Bay Packers. Tom Flores was on the Kansas City Chiefs' roster in Super Bowl IV and coached in Super Bowl XV. However, Flores did not play in Super Bowl IV. This was the first Super Bowl to feature two first-time participants since Super Bowl III (there has been only one since, Super Bowl XX between the Chicago Bears and New England Patriots). This was also the only Super Bowl
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