Undefeated heavyweight contender Anthony Joshua has 15 मा knockouts आफ्नो 15 व्यावसायिक झगडे. Check out this video compilation from SHOWTIME Sports showcasing all of Joshua’s KOs. And tune in यस शनिवार to watch the 2012 British Olympic Gold Medalist challenge undefeated American titlist Charles Martin for the IBF Heavyweight World Championship, मा SHOWTIME बस्ने 5 p.m. र/2 p.m. PT from The O2 in London.