 During the period spanning 1983 to the end of 1999, quarterback Dan Marino became one of the most prolific passers in NFL history, breaking numerous league passing records.Marino led the Dolphins to five division titles, 10 playoff appearances and an appearance in Super Bowl XIX before retiring following the 1999 season.In 2008, the Dolphins became the first team in NFL history to win their division and make a playoff appearance following a league-worst 1–15 season.