I think I constantly refer back to some of the things that I learned in New England and throughout my career. It was a great stepping stone, and it also gave me time to mature as a player and as a quarterback.

More Quotes by Matt Cassel

I have tunnel vision. I go out and try to get better each and every day.

Unfortunately, I've been around a lot of organizations over my 14-year career that have dealt with off-field issues.

I was in New England in 2007 for Spygate.

I was in Minnesota in 2014 when Adrian Peterson was suspended. In that situation, we were about to play the Patriots when his suspension came out the Friday before the game.

We knew what was going on with Spygate. We were in football mode, and it didn't impact our day-to-day. There's so much noise on the outside - 'You're cheaters, you're this, you're that' - but the easiest way to settle that is to go 18-0 and go to the Super Bowl.

I've been on a number of NFL teams, and a lot of them address situational football. But I've never been around a team that does it as meticulously as the New England Patriots.