Tottenham have signed Japan defender Kota Takai on a five-year deal from J-League side Kawasaki Frontale for £5m.

Manchester United, Tottenham Hotspur, Nottingham Forest and West Ham United all remain keen on signing Southampton's Tyler Dibling, Sky Germany reports.

There is interest too from Sunderland, Monaco and also Strasbourg, where Petrovic enjoyed a successful loan spell in the previous campaign and won their player of the season award.