Royals sign Zack Greinke to $13M contract for 2022
Greinke speaks to media, shares top reasons for coming back to KC
AP source: Royals agree with RHP Greinke on deal for 2023 - The San Diego Union-Tribune
Zack Greinke wants to end his career with two perfect 10s
Royals tell Zack Greinke's side of viral fan interaction
Zack Greinke signs with Royals for 2023: 'My No. 1 place
Royals put struggling Greinke on 15-day IL with shoulder tendinitis
Greinke leads Royals in return to Kauffman Stadium, Sports
Zack Greinke - Wikipedia
KC Royals: How about a reunion with Zack Greinke?
Report: Royals expect Greinke to pitch again in 2023