CALGARY – Finally, a positive that wasn’t produced in a lab. On a day that began with a 19th Calgary Flames player placed in COVID-19 protocol, leave it to GM Brad Treliving to look on the bright side of a situation that now has his team sidelined through the Christmas break. “We have a pretty good 3-on-3 team, but they might have been tired when it’s all said and done,” said Treliving, who still has Matthew Tkachuk, Blake Coleman, Michael Stone and goalie Dan Vladar who haven’t tested positive … at least yet. “I joked with Darryl (Sutter), it was probably the only time players wouldn’t have bitched about ice time.” Adding even more much-needed levity to his availability by wrapping it up with, “think positive, test negative,” Treliving’s take on the NHL’s decision to postpone games slated for Tuesday and Thursday was predictable. “I think it’s the right call,” he said, wrapping up a week in which 32 of his players, coaches and support staffers tested positive since Saturday. ...