Astros insider: The high cost of Zack Greinke

Zack Greinke Deserves So Much Better, and So Does the Astros' Near Dynasty — Houston Needs a Win For History After Donald Trump Delights in the Tomahawk Chop

How Astros' Zack Greinke trade made Houston title favorites - Sports Illustrated

Wild card Washington Nationals out-pitching Houston Astros: World Series Take

Astros emerge as World Series favorites after Zack Greinke trade

Greinke deal puts Arizona squarely in NL West race

MLB Trade Deadline: Here Are the Big Names in Talks to Be Dealt

Gerrit Cole watch, big spenders and more - Passan answers 20 winter meetings questions - ESPN

Houston Astros drop out of first place with loss to KC Royals

With Zack Greinke, the Astros Return to What Worked in 2017 - The New York Times

A.J. Hinch: Pulling Zack Greinke 'a decision I'll have to live with