Boxing champions list

With 17 weight classes in boxing and four major sanctioning bodies that bestow world titles, keeping track of who holds each of the belts can be difficult -- especially when there are sometimes multiple titlists in each organization because of interim and secondary belts. To make it easier for boxing fans, below is a quick reference chart of who holds each of the titles in the four organizations To check the top 10 fighters in each division, visit ESPN's divisional rankings . For a list of the best fighters regardless of weight class, check ESPN's pound-for-pound rankings .