Undefeated heavyweight contender Anthony Joshua has 15 knockouts nya 15 gelut professional. Check out this video compilation from SHOWTIME Sports showcasing all of Joshua’s KOs. And tune in Saptu ieu to watch the 2012 British Olympic Gold Medalist challenge undefeated American titlist Charles Martin for the IBF Heavyweight World Championship, hirup dina SHOWTIME di 5 p.m. AND/2 p.m. PT from The O2 in London.