"It was tough luck for him. His body has been through a lot. He's been playing in the league for a really long time — over 1,000 (games)," Krejcj said, via MassLive. "A concussion, that never helps. It's hard to recover from those kind of injuries. Not really sure how he's feeling right now, but it's his decision, it's his life. He's not just a hockey player, he's also a father and he needs to make sure his health is the No. 1 priority."