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The UFC Hall of Famer discusses his most memorable moments, the eye injury that nearly cost his career, and more.      Related StoriesBig underdog Andre Petroski wants spotlight on Renzo Gracie Academy – and a fight with Gerald MeerschaertBig underdog Andre Petroski wants spotlight on Renzo Gracie Academy – and a fight with Gerald Meerschaert - EnclosureMichael Johnson opens up about career doubts amid losing streak: 'I was in such a dark hole'