Royals Trade Rumors & Hot Stove - Royals Review
KC Royals: 3 players to ditch before the end of the 2023 season.
2019-20 Top 50 MLB Free Agents With Predictions - MLB Trade Rumors
Report: Royals interested in re-signing Greinke for 20th season
KC Royals: Don't shut the door on Zack Greinke just yet
MLB top free agents: Ranking Aaron Judge, Jacob deGrom, Justin Verlander and baseball's best offseason options
Zack Greinke free agent profile
Re-signing Zack Greinke could be biggest offseason move for Kansas City Royals
Appreciating the Final Days of Zack Greinke With the Royals (Despite The Rough Season) – The Royals Reporter
Zack Greinke signs with Royals for 2023: 'My No. 1 place
Reports - Royals, RHP Zack Greinke agree on deal for 2023 - ESPN