Zack Greinke reveals major change for 2023 season

Zack Greinke earns win vs. Yankees in final game of 2023

Zack Greinke helps Royals get an out in most unusual fashion

Yankees reveal plan of attack for Astros aces Justin Verlander, Gerrit Cole, Zack Greinke

Zack Greinke, Astros show that 'good enough' can be great in October

Dodgers' Zack Greinke taking newest invention to mound at All-Star Game – Orange County Register

Diamondbacks trade pitcher Zack Greinke, acquire Mike Leake

Greinke, Astros shut down rival A's to win opener 8-1

Zack Greinke's milestone pursuit and other intriguing MLB storylines for 2023 National News - Bally Sports

Zack Greinke making 1 big change for 2023 season