Cameron Norrie extended the upset chaos at the ATP Montreal Masters on Thursday, saving a match point in defeating Alex de Minaur 5-7, 7-6 , 6-1. Battling Norrie survives match point to oust de Minaur at Montreal The battling British winner trailed a set and a double break against the Australian third seed, who folded in the final set of an epic lasting for almost three hours. De Minaur, who had been the highest remaining seed in a depleted draw, could have closed it out in straight sets with a match point chance in the eighth game of the second set. The tournament had already seen an early exit from top seed Alexander Zverev, an injury pullout from Canadian second seed Felix Auger-Aliassime and a loss by fourth seed Daniil Medvedev. The US Open tuneup hardcourt event had already been hit by the absences of world number one Jannik Sinner and 24-time Grand Slam singles champion Novak Djokovic. The result leaves fifth-seeded holder Ben Shelton as the new man to beat going into the fourth …