Zack Greinke trade grades: Astros win big by getting top-end starter; Diamondbacks win a little less big
Astros honor Royals' Zack Greinke in return to Houston
D-backs trade Zack Greinke for top prospects
Inside the Zack Greinke deal -- 24 hours that rocked the MLB trade deadline - ESPN
Zack Greinke trade: Arizona Diamondbacks winner at MLB trade deadline?
Astros acquire Zack Greinke from Diamondbacks - NBC Sports
Astros acquire Greinke from Arizona, but send Aggie product Corbin Martin to Diamondbacks
Zack Greinke could be a Hall of Famer and the Diamondbacks traded him
Arizona Diamondbacks trade Zack Greinke to Houston Astros
Inside the Zack Greinke deal -- 24 hours that rocked the MLB trade deadline - ESPN
All Aces: Astros get Zack Greinke in trade with Diamondbacks
Greinke traded to the Astros, 07/31/2019