Zack Greinke turned down trade to Nationals in 2010
Astros Make Four Trades For Now and Later - The Crawfish Boxes
Astros: Greinke and Goldschmidt trade package worth consideration
Diamondbacks trade pitcher Zack Greinke to Astros for 4 prospects
Zack Greinke traded to Houston Astros by Arizona Diamondbacks - Los Angeles Times
Mariners Free Agent Profile: Veteran SP Zack Greinke
Diamondbacks Trade Zack Greinke To Astros Just Before MLB Trade Deadline
Zack Greinke could be a Hall of Famer and the Diamondbacks traded him
Despite Houston's Zack Greinke Trade, Dodgers' Starters Have Edge Over Astros
Zack Greinke Is One Of A Kind
All-Star Greinke thrilled to join World Series favorite Astros, National Sports