Undefeated heavyweight contender Anthony Joshua has 15 држачите во неговата 15 професионални борби. Check out this video compilation from SHOWTIME Sports showcasing all of Joshua’s KOs. And tune in оваа сабота to watch the 2012 British Olympic Gold Medalist challenge undefeated American titlist Charles Martin for the IBF Heavyweight World Championship, во живо на Showtime на 5 вечер. И/2 вечер. PT from The O2 in London.