2010 and up is hands down Roman Gonzalez
since Jan 30 2010 he's 21-0, and has held a belt in 3 different weight classes.
Golovkin is a close second going 17-0 since 2010 and has 3 belts.
since Jan 30 2010 he's 21-0, and has held a belt in 3 different weight classes.
Golovkin is a close second going 17-0 since 2010 and has 3 belts.
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