Kirton, who was prominent figure in fight against ALS, dies at 67 NHL.comFormer Maple Leafs, Canucks forward Mark Kirton dies at 67 after battle with ALS Sportsnet.caFormer Vancouver Canucks Forward Tragically Passes Away at the Age of 67 Canucks DailyMaple Leafs Honor Former Player and His Inspiring Fight After His Passing Hockey PatrolMaple Leafs Mourn the Loss of Former Forward After Courageous Battle With ALS Maple Leafs Daily