"He's just trying to prove himself every day, whether earlier in his career, when he was a backup, and now he's in the No. 1 position where he's played a lot of hockey. He's always looking for something to prove."

📝: https://t.co/WKBTJBX6ZF pic.twitter.com/uvqFFxpYvx

— Buffalo Sabres (@BuffaloSabres) December 13, 2018