A sloppy sixth inning doomed the New York Yankees on Monday night, paving the way for a 5-4, series-opening loss to the Blue Jays in Toronto. The unfortunate frame began with a Davis Schneider double, which knocked Carlos Rodón out of the game. The Yankees, working with a 3-1 lead, called on Mark Leiter Jr., who allowed an infield single to Myles Straw. Anthony Volpe made a diving stop on the …