Riyadh, SAUDI ARABIA – Matchroom Boxing’s Eddie Hearn believes Anthony Joshua is the best heavyweight boxer on the planet right now, and his performance against Francis Ngannou boosted his confidence. Joshua (28-3) violently knocked out Ngannou (0-2) in Round 2 at Kingdom Arena, doing what many in the boxing world expected Tyson Fury to do against the former UFC heavyweight champion in October. In comparison between the two boxers, Hearn wasn’t surprised to see Joshua produce a more definitive result. “(Fury) struggled against Otto Wallin. AJ destroyed him, it was a mismatch,” Hearn told MMA Junkie. “He struggled against Francis Ngannou.