The Hayemaker has already had MMA training and a full-time move could be on the cards when he hangs up his gloves.
Haye, 27, said: "Once my boxing career is over, in two or three years, MMA is definitely something I'll look to jump into with both hands and feet.
http://www.thesun.co.uk/sol/homepage/sport/ufc/article1377410.ece
http://www.boxrec.com/list_bouts.php?human_id=155774&cat=boxer
He beat Enzo Maccarinelli (who also contemplates fighting in MMA)