Why Zack Greinke signed with the Royals: 'It was my No. 1 choice
Zack Greinke of Royals wins AL Cy Young Award – Press Telegram
Royals, Zack Greinke finalize $8.5M deal for 2023 season - ESPN
Zack Greinke excited to return to Royals
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Prospect Retrospective: Zack Greinke - Minor League Ball
Hunter Greene, Reds take on Zack Greinke, Royals under the lights - Red Reporter
Trade Retrospective: Royals' Zack Greinke sent to Brewers for haul - Beyond the Box Score
Greinke back in Royals hat 12 years after he was traded
Velázquez homers, Zerpa shuts down Guardians as KC finishes sweep with 6-2 win - The San Diego Union-Tribune
MLB playoffs: Why Zack Greinke gives signs while pitching - Sports Illustrated