He's certainly one of the best pitchers in the game,
He did what pitchers do when they're successful. He moved the fastball in and out, he kept his pitches down for the most part, and he got away with mistakes when they were up.
When you have a record like that, it's got to be some luck. But he's also one of the best pitchers in the league and certainly that's a big part of it.
When you have a record like that against a particular team, there has to be some luck involved as well. Roy is one of the best pitchers in the league. If anyone would have a chance to go undefeated against a particular team, it would be him.
It's a combination of things. When you have a record like that, it's got to be some luck. But he's also one of the best pitchers in the league and certainly that's a big part of it.