American football star Philip Rivers has announced his retirement after 17 seasons in the NFL.

The 39-year-old quarterback, who spent 16 seasons with the Chargers franchise, is ranked fifth on the NFL's all-time passing list with 63,440 yards ended his career on a one-year deal with the Indianapolis Colts.

Despite not winning the Super Bowl, Rivers sits behind Drew Brees, Tom Brady, Peyton Manning and Brett Favre in the NFL's all-time passing list, and he also holds the record of 421 touchdown passes which also sees him fifth behind the same four players.

Rivers has revealed he will be coaching a high school team.