Watford have signed Nigeria winger Samuel Kalu from Bordeaux.

He joins the Hornets for a fee reported to be close to £3m on a three-year deal, keeping him at the club until 2025.

Kalu arrives at Vicarage Road after three and a half years with Ligue 1 side Bordeaux, where he scored nine goals in 86 appearances.

The 24-year-old has 17 caps for Nigeria and has scored twice for the Super Eagles.