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A lightweight bout between two potential future title contenders has been added to UFC 151 as Danny Castillo faces Michael Johnson. Castillo has won four of five in UFC competition, most notably defeating UFC Ultimate Fighter 2 champion Joe Stevenson at UFC On Versus III. Johnson enters the fight riding a two fight winning streak, recently defeating UFC Ultimate Fighter 13 champion Tony Ferguson at UFC On Fox III. UFC 151 takes place on September 1st at the Mandalay Bay Events Center in Las Vegas, Nevada with Jon Jones and Dan Henderson headlining.
