Mike has a LONG history with Don King who promoted him for years. Beef is the understatement to describe their relationship. At one point Mike sued King for 100Mil claiming he was scammed out of money. Fast forward to now and at a Boxing Hall of Fame event, King tapped Mike on his shoulder and he wasn't having it!!! Looks like that beef is still alive and well with the boxing champ. He explain why he threw water at Don King in the video. Check it out.