Zack Greinke can be himself with Astros
Boo The Astros All You Want, But Cheer For Zack Greinke
Zack Greinke attributes higher velocity to working out less - NBC Sports
Zack Greinke's dud puts Astros postseason pitching plan to the test - ESPN
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Houston Astros: Zack Greinke with Cy Young numbers in one category
The hilarious milestones Astros' Zack Greinke is trying to reach
Zack Greinke sits behind the mound while groundcrew cleans it : r/baseball
MLB trade deadline: Astros add Zack Greinke in blockbuster deal with Diamondbacks before the buzzer
Zack Greinke trade grades: Astros win big by getting top-end starter; Diamondbacks win a little less big
Is a Zack Greinke return to Kansas City possible? (And should the Royals do it?) – The Royals Reporter
Astros unlikely to retain Justin Verlander, Zack Greinke
Zack Greinke throws a gem as Astros snap losing streak
Rays Manager Kevin Cash would have pulled Greinke in time - DRaysBay