CHRIS “THE NIGHTMARE” ARREOLA STUNS SETH MITCHELL WITH FIRST ROUND KNOCKOUT   Esquivias Stops Marquez In Nine      Catch A Replay Of The Exciting Telecast: SHOWTIME EXTREME® Tuesday, Sept. 10 at Midnight ET/PT   For Photos Click Here!      INDIO, Calif – Chris “The Nightmare” Arreola made short work of Seth Mitchell, dispatching the younger fighter in…