I don't think he has to throw strikes on every pitch. If he shows that he can throw a couple of strikes then all he needs to do is keep chucking because the batters have to start their swing during his windup. That slider he thows is just plain nasty. He hasn't thrown that pitch for a strike yet(that I know of), but the batters are still swinging at it. I think he has gotten every batter out that he has faced except for one and he walked that one.

My brother-in-law played during the time of Tom Seaver. He seemed to always start those games because he did pretty well against him. They used to say Seaver threw the ball knee high and ended up at your waist.