Royals Roster & Staff
Transactions
| Date | Transaction |
| 12/29/20 | Kansas City Royals signed free agent P Ervin Santana. |
| 12/29/20 | Kansas City Royals signed free agent RHP Ervin Santana to a minor league contract and invited him to spring training. |
| 12/29/20 | Kansas City Royals signed free agent RHP Ervin Santana to a minor league contract and invited him to spring training. |
| 12/16/20 | Danny Duffy changed number to 21. |
| 12/16/20 | P Danny Duffy changed number to 42. |
| 12/16/20 | P Danny Duffy changed number to 30. |
| 12/14/20 | Kansas City Royals signed free agent P Greg Holland. |
| 12/14/20 | Kansas City Royals signed free agent P Greg Holland. |
| 12/14/20 | Kansas City Royals signed free agent RHP Greg Holland. |
| 12/13/20 | Kansas City Royals signed free agent SS Jeison Guzman to a minor league contract. |
| 12/11/20 | Kansas City Royals signed free agent P Carlos Sanabria. |
| 12/11/20 | Kansas City Royals signed free agent CF Bubba Starling. |
| 12/11/20 | Kansas City Royals signed free agent RHP Carlos Sanabria to a minor league contract and invited him to spring training. |
| 12/11/20 | Kansas City Royals signed free agent CF Bubba Starling to a minor league contract and invited him to spring training. |
| 12/11/20 | Kansas City Royals signed free agent CF Bubba Starling to a minor league contract and invited him to spring training. |
| 12/11/20 | Kansas City Royals signed free agent LHP Foster Griffin to a minor league contract. |
| 12/11/20 | Kansas City Royals signed free agent RHP Carlos Sanabria to a minor league contract and invited him to spring training. |
| 12/08/20 | Kansas City Royals signed free agent 1B Carlos Santana. |
| 12/08/20 | Kansas City Royals signed free agent 1B Carlos Santana. |
| 12/08/20 | Kansas City Royals signed free agent 1B Carlos Santana, and. |
| 12/02/20 | Kansas City Royals selected the contract of LHP Angel Zerpa. |
| 12/02/20 | SS Jeison Guzman elected free agency. |
| 12/02/20 | 2B Erick Mejia elected free agency. |
| 12/02/20 | CF Bubba Starling elected free agency. |
| 12/02/20 | 3B Maikel Franco elected free agency. |
| 12/02/20 | RHP Carlos Sanabria elected free agency. |
| 12/02/20 | LHP Foster Griffin elected free agency. |
| 12/01/20 | Kansas City Royals signed free agent P Mike Minor. |
| 12/01/20 | Kansas City Royals designated RHP Carlos Sanabria for assignment. |
| 12/01/20 | Kansas City Royals signed free agent LHP Mike Minor. |
| 12/01/20 | Kansas City Royals signed free agent P Mike Minor. |