Zack Greinke joins Astros
Zack Greinke trade: Grading the Astros' deal - Sports Illustrated
With Zack Greinke, the Astros Return to What Worked in 2017 - The New York Times
Zack Greinke Traded to Astros for Prospects
Zack Greinke Traded to Astros for Prospects
With Zack Greinke, the Astros Return to What Worked in 2017 - The New York Times
Zack Greinke to make his Astros debut in Houston
Zack Greinke Traded to Astros for Prospects
Zack Greinke trade: Grading the Astros' deal - Sports Illustrated
Zack Greinke joins Astros
Zack Greinke joins Astros