But he surrendered both belts when Joe Calzaghe of Wales ended his unbeaten run in Cardiff last November . Andre Berto wins the vacant world welterweight title . He halts Miguel Torres in seven rounds . Jason Johnson becomes WBA super - middleweight champion . Amir Khan successfully defends the Commonwealth lightweight title .
Andre Berto wins the vacant world welterweight title . He halts Miguel Torres in seven rounds . Jason Johnson becomes WBA super - middleweight champion . Amir Khan successfully defends the Commonwealth lightweight title .