If I go out and play well, shoot 3-, 4-, 5-under par and get...

If I go out and play well, shoot 3-, 4-, 5-under par and get to 20-under, it's going to be hard for anybody to get there without shooting a low round. I want to try to focus on what I have to shoot and keep playing the way I've been playing. I have a good feeling you have to get to at least 18-under to win this golf tournament.