Howard Leslie Schnellenberger was an American football coach with long service at both the professional and college levels. He held head coaching positions with the National Football League (NFL)'s Baltimore Colts and in college for the University of Miami, University of Oklahoma, University of Louisville, and Florida Atlantic University. He won a national championship with Miami in 1983.

The 1972 Miami Dolphins season was the franchise's seventh season and third in the National Football League (NFL). The team was led by third-year head coach Don Shula and achieved the only perfect season in NFL history. They also led the league in both points scored and fewest points allowed.