TORONTO – Six long days and 18 allowed goals ago, Kyle Dubas looked into the cameras and gave his acquired goaltending tandem a firm stamp of approval. Sure, the trade deadline is just around the corner. OK, so both Toronto Maple Leafs goalies can’t seem to last 60 minutes without pulling four pucks out of the back of their net. Jack Campbell and Petr Mrazek would be his guys. “I’m not concerned about either one of them,” Dubas said last Friday. He sounded convinced if not convincing. “They both have shown themselves to be good goalies — and they will be.” They might be, sure. Eventually. Maybe. But neither has been good — or even a threat to league average — for more than two months running. Campbell surprised Thursday morning with news that he had been dealing with a rib injury that will require a minimum of two weeks to heal. Naturally, coach Sheldon Keefe said the net Petr Mrazek’s for the foreseeable future. Hey, that’s why the organization turned the page on Freder...