Photo: Ron Tripp and a Sambo match between Rickson and Rolls Gracie. The great Rickson Gracie claimed to have been unbeaten in BJJ, Wrestling, Sambo, challenge matches, Judo and vale tudo fights with 400-0 record has been disputed by many people. Rickson like many other Gracies cross trained in other grappling arts with his brother … Continue reading Ron Tripp, The Only Person to Defeat Rickson Gracie in Official Competition