WBO cruiserweight champ Enzo Maccarinelli gets the crowd warmed up with a fourth-round stoppage of Mohamed Azzaoui

Mikkel Kessler (right), the WBA and WBC super middleweight champion, makes a fast start at Cardiff's Milllennium Stadium

Kessler lands with some hurtful punches in the first two rounds and Calzaghe is wobbled by a huge right in round four

Kessler, previously undefeated in 39 fights, touches down in round three but it is ruled a slip by referee Mike Ortega

Calzaghe takes stock in the corner after a punishing round

Calzaghe weathers the early storm, tightens up his defence and starts connecting with some shots in the middle rounds

The 35-year-old Calzaghe comes on strong in the final third of the fight as Kessler, seven years his junior, begins to fade

A triumphant Calzaghe, who is now unbeaten in 44 pro fights, is held aloft by WBO cruiserweight king Enzo Maccarinelli

Calzaghe celebrates with promoter Frank Warren, who may now attempt to snare American legend Bernard Hopkins