All Aces: Astros get Greinke in trade with Diamondbacks
Astros-Nationals: A Historic Gathering of Aces - WSJ
Houston Astros acquire Zack Greinke in stunning deadline pitching
The Zack Greinke trade makes the Astros World Series favorites
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Astros-Nationals: A Historic Gathering of Aces - WSJ
Zack Greinke trade: Grading the Astros' deal - Sports Illustrated