Two-times WBA champion Byron Mitchell is expected to provide Joe Calzaghe a stern test, with many predicting a lengthy fight

Calzaghe gets caught by a short right hook from Mitchell and hits the canvas for the first time in his career

The Cardiff crowd are stunned as Calzaghe gets to his feet again determined to show his class

The Welshman responds with a furious flurry of blows to his American opponent's head, leaving him unsteady on his feet

Calzaghe senses victory is close and carries on pummeling Mitchell with the end of the second round approaching

The champion soaks up the adulation of the crowd as the referee steps in to stop the fight as Mitchell stumbles into the ropes

Calzaghe retains his WBO super middleweight title in an explosive two rounds of high-class boxing