Answer
**Bigger/Heavier Opponents:** Royce Gracie, a pioneer of Brazilian Jiu-Jitsu, revolutionized combat sports by showcasing his remarkable grappling skills. Gracie's expertise in ground fighting allowed him to overcome the size and weight advantages of his opponents, often achieving victories against much larger and stronger individuals. His proficiency in grappling techniques, such as joint locks and chokeholds, neutralized his opponents' physical advantages, demonstrating the effectiveness of technique over brute force.