Veteran MLB pitcher Zack Greinke was once upset with his teammates

Zack Greinke opts out of Dodgers contract with $71M left

Yankees' Cole demands ball, completes 3-hit gem vs Astros

Houston Astros: Zack Greinke's stance moving forward

Zack Greinke: 'Every year, I get nervous that it's not working good enough

KC Royals: Why Zack Greinke returning is good for everyone

Jake Odorizzi modeled his game after Zack Greinke, now they're Astros teammates: 'His mind for baseball is incredible' - The Athletic

Rockies' foe Zack Greinke doesn't sweat huge Diamondbacks expectations – The Denver Post

MLB offseason tracker: Blue Jays add Chad Green to bullpen National News - Bally Sports

Zack Greinke could not hold back smile over batter's walk-up song

Royals Fan Details Most Bizarre Zack Greinke Story Yet

Zack Greinke: Zack Greinke's smile to former teammate using his walk-up song leaves MLB fans emotional: This is precious

Camp Sights: For Dodgers, 'great' feelings, but jury out