‘“It’s been a learning process for Jack, even going back as far as the World Championships when I coached him for Team USA there,” Sabres coach Dan Bylsma said in Bell Centre. “His play away from the puck and his defensive responsibilities, that’s something he’s worked and developed at all year long. Talking to him about his game, that’s probably the biggest improvement this year has been playing on the defensive side of the puck, playing down low.’