Jayne Kamin-Oncea-Imagn Images Calgary Flames defenseman Zayne Parekh If there’s one thing fans of the Calgary Flames know, it’s that change is coming on the blue line.   Right-handed defenseman Rasmus Andersson, a top-four mainstay and 28-year-old veteran, has been at the center of trade rumors all summer. With the Flames navigating contentious contract talks and the clock ticking toward training camp, the odds that Andersson will be in Calgary come opening night appear slim .   Team