The club can confirm that Belgian midfielder Julien de Sart has joined Derby County on loan until the end of the season.

De Sart joined Boro in the January transfer window of last year and has made three appearances for Aitor Karanka's side, with his only start coming in August's Capital One Cup defeat at Fulham

The Belgian international has more recently featured for Paul Jenkins' Under-23s side, playing against Manchester United in the Premier League International Cup.