Zack Greinke facing A's in spring training debut Friday

MLB Twitter reacts to veteran pitcher Zack Greinke implying he gave up spring training hits to work on pickoffs: Galaxy brain Greinke

Zack Greinke wins Dodgers debut, 3-0 over Pirates - The San Diego Union-Tribune

World Series: Pulling Zack Greinke will haunt Astros for a long time

Zack Greinke: Baseball's Most Obsessively Prepared Pitcher - WSJ

Zack Greinke 'should be pretty good' entering last year of Astros contract

Zack Greinke pitches Royals to 5-2 win over Yankees in what could be his career finale - ABC News

LEADING OFF: Greinke goes for Houston, Yanks crush at Camden

D-backs' GM Mike Hazen not concerned about Zack Greinke's velocity

Zack Greinke returns in Kansas City Royals vs. Tigers: recap

Zack Greinke - Wikipedia

Is a Zack Greinke return to Kansas City possible? (And should the Royals do it?) – The Royals Reporter

Zack Greinke pitches Royals to 5-2 win over Yankees in what could be his career finale