Naylor slugs 2 HRs as the Guardians top the Royals, dealing Zack Greinke his 16th straight road loss - ABC News
Zack Greinke Returns to the Royals…And It Just Feels Right – The Royals Reporter
Zack Greinke signing excites new teammates
A's top Royals 5-4 to spoil Zack Greinke's return from the injured list - Coast Reporter
Zack Greinke can earn $15M this year in deal with Royals - The San Diego Union-Tribune
Report: Greinke would like to return to Royals for 20th season
Greinke hit around in his return to Houston, Royals fall 9-7 Kansas City News - Bally Sports
Greinke speaks to media, shares top reasons for coming back to KC
KC Royals: Zack Greinke shuts down Detroit, but bullpen couldn't
Zack Greinke doesn't rule out return to Kansas City
Is a Zack Greinke return to Kansas City possible? (And should the Royals do it?) – The Royals Reporter