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 XXIX Championship Games, winning Super Bowls XXIII and XXIV. But after head coach George Seifert's team lost two consecutive NFC Championship games to the Dallas Cowboys in 1992 and 1993, San Francisco brought in several veteran free agents to strengthen their defense. Among the players signed were defensive linemen Richard Dent (the MVP of Super Bowl XX), Charles Mann, Rhett Hall, and Rickey Jackson; linebackers Ken Norton Jr. and Gary Plummer; and cornerback Deion Sanders. The free agents enabled the 49ers to jump from the 18th-ranked defense in the league to the 8th, and to jump from the league's 16th-best defense