Juan Camilo Zuniga has signed for Watford on a season-long loan deal from Napoli, the Premier League club has confirmed.

The attacking fullback arrives at the Hornets to reunite with coach Walter Mazzarri, under whom he played for four years at Stadio San Paolo.

The deal for the 30-year-old includes an option for Watford to make the switch permanent at the end of the season.

Zuniga played 163 times for Napoli and has 62 caps for Colombia.