Quay premiered in Boston.
Carlos Enrique Valencia -LRB- born October 31 , 1974 -RRB- is an American mixed martial artist .. American. United States. mixed martial artist. mixed martial artist. He has fought for the WEC and UFC in their Bantamweight divisions , and is the former King of the Cage Bantamweight Champion .. Bantamweight. Bantamweight. WEC. World Extreme Cagefighting. UFC. UFC. King of the Cage Bantamweight Champion. List of KOTC champions. He is the only man to ever finish McCall in a professional MMA fight .