No structural issues for Zack Greinke; Houston Astros eye his playoff help - ESPN
MLB trade rumors: Houston Astros acquire pitcher Zack Greinke from Arizona Diamondbacks
Fan ejected from Yankees-Astros game after taunts directed at Houston pitcher about his family, social anxiety disorder
Zack Greinke's 200th win is a tonic for Astros
Zack Greinke can earn $15M this year in deal with Royals - NBC Sports
Is a Zack Greinke return to Kansas City possible? (And should the Royals do it?) – The Royals Reporter
Zack Greinke - MLB News, Rumors, & Updates
Astros land Greinke, emerge as WS co-favorites - ESPN
Astros' Zack Greinke scratched from start vs. A's, placed on injured list
Zack Greinke to take mound for Astros in Game 1 of ALCS vs. Yankees - ESPN