The Diamondbacks' Worst Contracts: #6, Zack Greinke - AZ Snake Pit
Zack Greinke's milestone pursuit and other intriguing MLB storylines for 2023 National News - Bally Sports
Remember when Zack Greinke started three straight Brewers games?
Royals pitcher Zack Greinke impresses in Opening Day start
Zack Greinke can earn $15M this year in deal with Royals - NBC Sports
Can Zack Greinke keep this up? - Royals Review
Houston Astros: The trek to 300 wins by Justin Verlander and Zack Greinke
Zack Greinke wins Astros debut despite allowing 5 earned runs
Pitcher Zack Greinke returns to Royals after 11 years - Sports Illustrated
Greinke speaks to media, shares top reasons for coming back to KC