"Arthur's been talking about fighting Joel Casamayor, Manny Pacquiao and whoever, " Cook, 28, told BBC Sport.

BBC: Cook warns confident rival Arthur

On the undercard of the Pacquiao-Marquez contest, Bradley pummeled former champion Joel Casamayor into submission with relentless body punching.

WSJ: Pacquiao-Bradley: Is Manny Pacquiao Starting to Slip?

Khan, who was desperate to impress and earn a crack at American WBO title-holder Nate Campbell or interim belt holder Joel Casamayor, said the fight was just what he needed.

BBC: Khan stops Kristjansen in seven