‘”He’s not good,” Sabres coach Lindy Ruff said after the game. “He’s got concussion symptoms. Wasn’t feeling bad [Monday]. He took a hit from [T.J.] Oshie in St. Louis, kind of an elbow — and came off [Tuesday] and he was a mess. He couldn’t focus. Emotionally, he was really unstable. He’s in a tough place right now. We’re worried. … To come off and be the way he was tells you that there’s something wrong.”‘