‘“You saw in his exit meeting, he’s matured a lot as a young man,” Sabres general manager Jason Botterill said last Wednesday inside KeyBank Center. “Even with his game, I thought when our team was playing some of its best hockey, Jack was a big part of it. It’s not just offensively. You saw when our team had success, we did a lot better away from the puck, tracking the puck. … He’s taken the right steps.”’