January 20, 2021

Royals  sign Wade Davis

February 05, 2021

Royals  sign Hanser Alberto

February 10, 2021

February 22, 2021

Royals  sign Brad Brach as a free agent

March 05, 2021

Royals  sign Jarrod Dyson as a free agent

March 31, 2021

Royals  place Adalberto Mondesi on the injured list

April 01, 2021

Royals  designate Meibrys Viloria for assignment

Royals  designate Scott Blewett for assignment

April 12, 2021

Royals  place Jesse Hahn on the injured list

April 13, 2021

Royals  place Josh Staumont on the injured list

April 14, 2021

Royals  designate Nick Heath for assignment

April 17, 2021

Nick Heath traded from Royals  to Diamondbacks 

April 23, 2021

Royals  place Greg Holland on the injured list

April 24, 2021

Royals  designate Brad Brach for assignment

April 26, 2021

Brad Brach became a free agent

May 01, 2021

Royals  place Kyle Zimmer on the injured list

May 03, 2021

Royals  place Cam Gallagher on the injured list

May 04, 2021

Royals  sign Alcides Escobar

May 12, 2021

Royals  place Cam Gallagher on the injured list

May 14, 2021

Royals  place Hunter Dozier on the injured list

Royals  sign Anthony Swarzak

May 17, 2021

Royals  place Danny Duffy on the injured list

May 22, 2021

Royals  place Jesse Hahn on the injured list

Domingo Tapia traded from Mariners  to Royals 

May 24, 2021

Royals  place Hunter Dozier on the injured list

May 28, 2021

Royals  place Josh Staumont on the injured list

June 06, 2021

Royals  place Adalberto Mondesi on the injured list

June 07, 2021

Royals  designate Jake Newberry for assignment

June 14, 2021

Royals  place Andrew Benintendi on the injured list

June 15, 2021

Royals  place Ronald Bolanos on the injured list

June 18, 2021

Royals  place Ronald Bolanos on the injured list

June 20, 2021

Royals  place Cam Gallagher on the injured list

June 21, 2021

Royals  place Adalberto Mondesi on the injured list

June 28, 2021

Royals  designate Kelvin Gutierrez for assignment

June 29, 2021

Royals  place Wade Davis on the injured list

June 30, 2021

Royals  place Emmanuel Rivera on the injured list

July 03, 2021

Kelvin Gutierrez traded from Royals  to Orioles 

Alcides Escobar traded from Royals  to Nationals 

July 17, 2021

Royals  designate Anthony Swarzak for assignment

July 20, 2021

Royals  place Brady Singer on the injured list

Royals  place Danny Duffy on the injured list

July 21, 2021

Joel Payamps traded from Blue Jays  to Royals 

July 29, 2021

Danny Duffy traded from Royals  to Dodgers 

July 30, 2021

Jorge Soler traded from Royals  to Braves 

August 04, 2021

Royals  place Kyle Zimmer on the injured list

August 16, 2021

Royals  place Greg Holland on the injured list

August 23, 2021

Royals  place Jake Brentz on the injured list

August 26, 2021

Royals  place Josh Staumont on the injured list

August 27, 2021

Royals  place Brad Keller on the injured list

August 29, 2021

Royals  place Richard Lovelady on the injured list

September 01, 2021

Royals  place Jakob Junis on the injured list

September 05, 2021

Royals  place Cam Gallagher on the injured list

September 11, 2021

Royals  place Joel Payamps on the injured list

September 15, 2021

Royals  place Richard Lovelady on the injured list

Royals  place Wade Davis on the injured list

Royals  place Mike Minor on the injured list

September 17, 2021

Royals  place Brady Singer on the injured list

September 20, 2021

Royals  place Brad Keller on the injured list

Royals  place Wade Davis on the injured list

September 29, 2021

Royals  place Brady Singer on the injured list

September 30, 2021

Royals  place Daniel Lynch on the injured list

October 29, 2021

Hanser Alberto became a free agent

November 01, 2021

Royals  release Ryan McBroom

November 03, 2021

Ervin Santana became a free agent

Greg Holland became a free agent

Wade Davis became a free agent

Jesse Hahn became a free agent

November 19, 2021

Royals  designate Kyle Zimmer for assignment

November 24, 2021

Royals  release Kyle Zimmer

November 30, 2021

Richard Lovelady became a free agent

December 01, 2021

Royals  sign Taylor Clarke as a free agent

Royals  sign Richard Lovelady

Royals  sign JaCoby Jones

December 15, 2021

Royals  sign Ivan Castillo