BUFFALO — It was never a question of skill. Sabres defenseman Mattias Samuelsson possesses loads of it. At his best, he ranks among the NHL’s top shutdown defenders. “He’s got every tool in the toolbox,” Sabres winger Alex Tuch said Monday in KeyBank Center. “He’s big, he skates well, he’s got the long stick, he’s got the hockey IQ. And then when he’s physical like that, he’s just horrible to ...