"If I won't believe in myself, who will?" he told ESPNChicago.com on Tuesday night. "That's how I always think of it. I always try to challenge myself. The idea is great, but it's putting in the work. You have to really work hard if you want to win a title and I think we got all the pieces, starting with the front office, our owners, the coaching staff, down to the players. I think that we have a legit chance to win multiple championships."