Sean Pierson, a seasoned mixed martial artist, competed with a record of 14-6-0 and held a weight class of 170 lbs. Standing at 6' 0', he boasted a reach of 76' and adopted a southpaw stance in the octagon. Throughout his UFC career, Pierson demonstrated an average of 3.84 significant strikes per minute, with a striking accuracy of 39%. He absorbed an average of 3.73 strikes per minute, maintaining a strike defense of 64%. His takedown attempts were less frequent, averaging 0.39 per 15 minutes, with a takedown accuracy of 18%. Pierson also attempted 0.4 submissions per 15 minutes during his UFC career. Pierson's most notable victory came against Matthew Riddle, an opponent with an ELO rating of 1050. In terms of recent fight history, he faced Jake Ellenberger in April 2011, resulting in a loss via KO/TKO punch. Following this setback, Pierson managed to secure victories over Jake Hecht and Lance Benoist, both by unanimous decision in June 2012 and September 2012 respectively. His last recorded fight was against Kenny Robertson in June 2013, a match he won via majority decision. Pierson's UFC career concluded after this fight.