Baseball 100: Zack Greinke

"Sometimes my arm wants to throw a hard fastball but my brain doesn't want to throw it that hard."

-- Zack Greinke, 2003

Here's a funny thing about baseball: Sometimes, in real-time, you miss the true story of what's going on. Take the 1990s and early 2000s. At the time, all the talk -- ALL the talk -- was about hitting: home runs, outrageous power number…