Greinke back in Royals hat 12 years after he was traded away

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As Zack Greinke moves on, he fulfilled his part of Astros' blockbuster deal

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Zack Greinke blended in with fans at Astros-Mariners game

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Royals trade former first-rounder to Blue Jays for minor league pitcher

Dodgers Are Said to Land Starter Zack Greinke - The New York Times

Greinke back in Royals hat 12 years after he was traded away

How a Disgruntled Ace Gave the Royals a Full House - The New York Times