The Toronto Blue Jays open a crucial four-game series against the visiting Boston Red Sox tonight.Boston holds one of three wild-card spots in the American League standings with Toronto chasing one of those playoff berths.Jesús Sánchez’s double-play ground out in the 12th put the Blue Jays ahead 6-5 in Philadelphia yesterday, but Derek Hill singled with the bases loaded in the bottom of the inning as the Phillies won 7-6.That kept Toronto 3 1/2 games back of the Texas Rangers for the final wild-card spot in the AL. The Rangers were whipped 10-5 by the visiting Baltimore Orioles yesterday.Canadian Jameson Taillon will make his Rogers Centre debut as a member of the Blue Jays.Sonny Gray gets the start for the Red Sox, who have won eight of their last 10 games.