Watford youngster Bernard Mensah has been ruled out for the season with a knee injury.

Mensah is a first-year scholar but signed a three-year professional contract with Watford in the summer after interest from Tottenham Hotspur and Arsenal.

The striker posted on social networking site Twitter: "Having surgery on my knee tomorrow, this will rule me out for the season. Sad that I cant play again this season...Onwards & upwards!"