CALGARY — It was the type of hit an NHL playoff series can be built around. At the tail end of a tight opening period, Nikita Zadorov spotted Ondrej Kase trying to leave his zone with his head down, setting up the type of blast the Flames’ six-foot-six defenceman lives for. The Maple Leafs, predictably, saw it as questionable, as Kase left the game. The Flames saw it as the turning point. For the Flames blue line it was only the start, as the rest of Zadorov’s back end brethren would soon find ways to join him centre stage against a relentless Leafs squad. One night after the Flames’ defencemen racked up six points in a romp over Vegas, the lads repeated the feat, adding six more in a 5-2 win. Two of the three goals scored by Flames defenders came in a three-minute span in which the hosts broke a 1-1 game wide open midway through the evening — the first time this season the sextet combined for a hattie. Sure, Jacob Markstrom followed up his eighth shutout with a 46-save effor...