Zack Greinke amazingly threw a fastball and changeup at the same speed
Zack Greinke Re-signs with the Kansas City Royals
Zack Greinke's K-rate is up, but so is his HR rate — and that's OK – Dodgers Digest
Zack Greinke - Wikipedia
Good news: Zack Greinke is dominating with his sinker after a long time - The Crawfish Boxes
Orioles free agent target: Zack Greinke - Camden Chat
Braden Shipley could get start with Zack Greinke out
Should the Atlanta Braves target free agent Zach Greinke?
How Worried Should Diamondbacks Be About $206.5 Million Man Zack Greinke?, News, Scores, Highlights, Stats, and Rumors