Paul O’Sullivan began his combat sports career in bare-knuckle and has been fighting since 2023. He entered the BKFC with a record of 2-1 and currently sits at 2-3. With a recent skid, he has continued to fight well in the Squared Circle having lost a narrow split decision to Mac Bygraves and unanimously to Kris Trezise. Both fighters are staples in BKFC UK cards and should be considered acceptable losses.

O’Sullivan keeps a steady pace and will match his opponent’s aggression. In his fight with Bygraves, he went blow for blow with the 3-0 fighter and managed to stay on his feet all 10 minutes. Followers of Paul O’Sullivan know that he is capable of great things in the BKFC and with any improvement whatsoever, he is going to be a threat for all levels of competition.