Charlton sign Dundee defender Koumetio

Charlton Athletic have completed the signing of Dundee centre-back Billy Koumetio for an undisclosed fee.The French defender, 23, has signed a four-year deal with the Championship club, marking a return to England for the former Liverpool player."The manager [Nathan Jones] spoke to me about the vision that he has for the club and for the players as well," Koumetio told Charlton's website."From that day when I spoke to him, I realised this was the best move I could make for my career."BBC Sport S