Diamondbacks trade pitcher Zack Greinke to Astros for 4 prospects
Revisiting the Zac Gallen for Jazz Chisholm trade - AZ Snake Pit
We can thank Astros, Diamondbacks for saving the trade deadline - The Boston Globe
Phillies trade rumors: Is Zack Greinke worth the price?
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D-backs see MLB trade deadline deals as building for the future
2022 Free Agent Profile: Zack Greinke
Yankees beat D-backs as Greinke goes to Astros
Revisiting the Zack Greinke trade between Astros, Diamondbacks
Astros acquire Greinke from Arizona, but send Aggie product Corbin Martin to Diamondbacks
Zack Greinke trade: Grading the Astros' deal - Sports Illustrated
Zack Greinke trade: Astros acquire Diamondbacks' ace - Sports Illustrated
Zack Greinke Traded to Astros for Prospects
Diamondbacks Have Difficult, Though Not Impossible, Task In Trading Greinke
Astros Trade for Zack Greinke Jolts Quiet Trade Deadline - WSJ