Gotta say Roy Jones Jr.
He held everything AND the Ring Magazine belt.
Most of them were BS type belts though, like IBF's and WBF's and whatever other dumb sh*t people come up with lol.
Roy Jones Jr. when he won the WBA heavyweight belt from John Ruiz in 2003 was also the still reigning WBA, WBC, IBF, WBF, IBO and IBA light heavyweight belt holder.
Hello my friend and tough question. I did some research and found that about 2010 Manny Pacquiao had captured 8 World titles in several different weight divisions.
Roy jones jr.
extremely tough issue. lookup over a search engine. that will help!
Was it _ _ _with 7 belts?