The Greatest Fight of All-Time? 🔥 Marvelous Marvin Hagler flattened Thomas Hearns to win their epic three-round war back in 1985. Hearns promised his jab would be the key to victory. But Hagler’s tactics - “I have one thing on my mind and that is to destroy him” - left Hearns with no choice but to slug it out. It resulted in one of the most amazing fights in history, and surely the greatest ever opening round. Such was the clamour to see the fight live, arenas all over the world - like the 15,0