During the promotion of the recent Miguel Cotto-Ricardo Mayorga contest, it was easy to spot just how chummy former rival promoters Don King and Bob Arum where throughout the lead up to the fight. It had been five years since the duo had collaborated together in such a fashion, going back to the April 2006 Floyd Mayweather-Zab Judah bout, and Arum has left the door open for working with King in the future.