Anthony Joshua lost his WBA, WBO and IBF titles, as well as his undefeated record, in a shock defeat by Andy Ruiz Jr in June in New York.<br /><br />The Briton will be attempting to reclaim his heavyweight crown in Saturday's rematch in Saudi Arabia, and he took part in a public workout on Tuesday ahead of the hotly anticipated fight.<br /><br />Looking slimmer and faster than before, Joshua is said to have lost weight in search of even more speed for the so-called "Clash on the Dunes".
