Reeves made his first two Super Bowl appearances during his playing career, winning one in Super Bowl VI. He began his coaching career as an assistant coach for Cowboys, where he made three more championship appearances and was part of the team that won Super Bowl XII. As the head coach of the Broncos for 12 seasons, Reeves led the team to three championships in Super Bowl XXI, Super Bowl XXII, and Super Bowl XXIV, each of which ended in defeat. Following four seasons as the head coach of the New York Giants, Reeves served as the Falcons' head coach for seven seasons. With the Falcons, he led the franchise to their first championship appearance in Super Bowl XXXIII, where he was defeated by his former team, the Broncos.