By Harry Davies Max Holloway won the ‘BMF’ title by leaving Justin Gaethje face-down on the canvas with a final-second KO in their UFC 300 fight. Holloway was moving up a weight class to challenge for the symbolic belt against former interim champion Gaethje, who won the ‘BMF’ belt last July with a stunning head-kick KO against Dustin Poirier. The opening round was evenly contested but it was Holloway who had the highlight moment by landing a spinning back kick that cut the nose of Gaethje open. Holloway was lucky to avoid a point deduction in the second round as he illegally poked Gaethje in …