Caol Uno, a seasoned mixed martial artist, competed with a record of 33-19-5, primarily in the lightweight division at 155 lbs. Standing at 5' 7" with a reach of 70", he adopted a southpaw stance during his career. In terms of performance statistics, Uno demonstrated an average of 1.91 significant strikes per minute and maintained a striking accuracy of 49%. He absorbed an average of 1.9 strikes per minute, with a strike defense rate of 50%. Uno also averaged 1.95 takedowns every 15 minutes, achieving a takedown accuracy of 31%, while attempting 0.5 submissions in the same timeframe. Throughout his career, Caol Uno achieved some notable victories, including a decisive win over Fabiano Iha, who held an ELO rating of 1036. However, his most recent fights show a mixed record. In 2003, he faced BJ Penn and lost via submission decision. A subsequent loss came against Hermes Franca in 2003 due to a knockout by punch. Uno managed to secure a win against Fabricio Camoes in 2009 with a majority decision before facing Spencer Fisher the same year, resulting in another loss via unanimous decision. His last recorded fight was in 2010 against Gleison Tibau, which ended in a knockout loss by punches.