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After a year plus away from the UFC, welterweight Kenny Robertson has agreed to step in for the injured Jon Fitch and fight Aaron Simpson at UFC On Fuel TV IV. Robertson last competed in the UFC at UFC 126 when he lost to Mike Pierce by TKO in the fights second round. Simpson will be making his debut as a welterweight in the UFC, previously competing as a middleweight in the promotion. UFC On Fuel TV IV takes place on July 11th at the HP Pavilion in San Jose, California with Mark Munoz and Chris Weidman headlining.
