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WATCH: Zack Greinke gets standing ovation at Kauffman Stadium in what could be Royals pitcher's last game
![Zack Greinke reveals major change for 2023 season](https://nypost.com/wp-content/uploads/sites/2/2021/11/greinkefreemanalutve.png)
Jose Altuve, Freddie Freeman, Zack Greinke Hall of Fame cases
![Zack Greinke reveals major change for 2023 season](https://sports.cbsimg.net/u/photos/baseball/mlb/img19684454.jpg)
MLB execs: Zack Greinke is headed for a record payday for right-handed pitchers
![Zack Greinke reveals major change for 2023 season](https://gray-kctv-prod.cdn.arcpublishing.com/resizer/4orNf3IwkZgSWdupWPhk35ZUTHY=/1200x675/smart/filters:quality(85)/cloudfront-us-east-1.images.arcpublishing.com/gray/XYZEZGZAPJFIXBYUO7GBWYHGFA.jpg)
Report: Royals expect Greinke to pitch again in 2023
![Zack Greinke reveals major change for 2023 season](https://arizonasports.com/wp-content/uploads/2015/12/ZackGreinke_MA3.jpg)
Rosenthal reveals whirlwind events that led to signing Greinke
![Zack Greinke reveals major change for 2023 season](https://arizonasports.com/wp-content/uploads/2019/07/GettyImages-1160307713.jpg)
Rosenthal: D-backs' Zack Greinke outperforming huge salary in 2019
![Zack Greinke reveals major change for 2023 season](https://media.zenfs.com/en/kansas_city_star_mcclatchy_articles_677/49fadae7ef22c7996c95a9c482abb393)
Kansas City Royals give Zack Greinke special sendoff in season finale vs. the Yankees
![Zack Greinke reveals major change for 2023 season](https://sportshub.cbsistatic.com/i/r/2023/04/02/a1e0c422-6148-4216-ad72-d1ca126dc74f/thumbnail/1200x675/9355c45c7e9f0f56ad3ff6bbaab33d03/kershaw-getty-10.png)
MLB milestones: Clayton Kershaw, Zack Greinke get closer to 3,000 strikeouts; other numbers to watch in 2023
![Zack Greinke reveals major change for 2023 season](https://www.fox16.com/wp-content/uploads/sites/84/2023/06/64926f0c8c6872.26345709.jpeg)
Wagging his finger at the Mariners, Cole stops the Yankees' 4-game skid with a 3-1 win
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RUMOR: Royals' Zack Greinke gets 2023 trade deadline update
![Zack Greinke reveals major change for 2023 season](https://media.zenfs.com/en/kansas_city_star_mcclatchy_articles_677/73fcc002d08065e7ce94f78ae915534d)
Zack Greinke shared a cool moment with his son after leaving Sunday's Royals game
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Zack Greinke reveals major change for 2023 season