Undefeated heavyweight contender Anthony Joshua has 15 knockouts a hae 15 setsebi lintoa. Check out this video compilation from SHOWTIME Sports showcasing all of Joshua’s KOs. Le ho bulela ena Moqebelo to watch the 2012 British Olympic Gold Medalist challenge undefeated American titlist Charles Martin for the IBF Heavyweight World Championship, phela ka ho Showtime ka 5 p.m. LE/2 p.m. PT from The O2 in London.