Greinke having elbow problems
Greinke suffered discomfort Sunday when trying to play catch. And while the Dodgers said Greinke has had elbow issues in the past and that the current condition is not serious, they decided to ship Greinke back to LA for an exam "out of an abundance of caution."
Sabermetrics can be boiled down to this simple truism: A batter's goal is to extend the inning. Extend enough innings and you're going to score runs. Extend more innings than your opponent and you're going to score more runs than him.