January 02, 2021

Cubs  sign Nick Martini

January 04, 2021

Cubs  release Colin Rea

January 05, 2021

Cubs  sign Patrick Wisdom

January 22, 2021

Cubs  sign Austin Romine as a free agent

January 28, 2021

Cubs  sign Kohl Stewart as a free agent

February 05, 2021

Cubs  designate Max Schrock for assignment

Cubs  sign Trevor Williams as a free agent

Cubs  sign Andrew Chafin as a free agent

Cubs  sign Joc Pederson as a free agent

February 12, 2021

Cubs  sign Jose Lobaton

Cubs  sign Adam Morgan

Cubs  sign Shelby Miller as a free agent

February 17, 2021

Cubs  place Kyle Ryan on the injured list

Cubs  sign Jake Arrieta as a free agent

February 18, 2021

Cubs  designate Sergio Alcantara for assignment

Cubs  sign Brandon Workman as a free agent

February 20, 2021

Cubs  sign Jake Marisnick as a free agent

February 25, 2021

Cubs  sign Cameron Maybin as a free agent

February 27, 2021

Cubs  sign Pedro Strop as a free agent

February 28, 2021

Cubs  designate Robert Stock for assignment

March 01, 2021

Cubs  sign Ryan Meisinger as a free agent

March 02, 2021

Cubs  designate Duane Underwood for assignment

Cubs  sign Ryan Tepera as a free agent

March 05, 2021

Cubs  sign Eric Sogard as a free agent

March 07, 2021

Duane Underwood traded from Cubs  to Pirates 

March 23, 2021

Cubs  place Tyson Miller on the injured list

March 27, 2021

Cubs  release Cameron Maybin

Cubs  sign Erick Castillo as a free agent

March 28, 2021

Cubs  designate Ildemaro Vargas for assignment

March 29, 2021

Cubs  sign Andrew Romine as a free agent

March 31, 2021

Cubs  designate James Norwood for assignment

Cubs  sign Tony Wolters as a free agent

April 01, 2021

Cubs  place Austin Romine on the injured list

Cubs  place Rowan Wick on the injured list

April 05, 2021

James Norwood traded from Cubs  to Padres 

April 12, 2021

Cubs  place Dan Winkler on the injured list

Cubs  place Brandon Workman on the injured list

Cubs  place Jason Adam on the injured list

April 13, 2021

Cubs  place Matt Duffy on the injured list

April 14, 2021

Cubs  designate Tony Wolters for assignment

April 22, 2021

Cubs  place Joc Pederson on the injured list

April 23, 2021

Cubs  place Shelby Miller on the injured list

April 26, 2021

Cubs  place Austin Romine on the injured list

Cubs  place Rowan Wick on the injured list

April 29, 2021

Cubs  designate Brandon Workman for assignment

April 30, 2021

Cubs  place Trevor Megill on the injured list

Cubs  release Brandon Workman

May 03, 2021

Cubs  place Dan Winkler on the injured list

Cubs  place Nico Hoerner on the injured list

May 04, 2021

Cubs  place Jake Arrieta on the injured list

May 05, 2021

Cubs  place Austin Romine on the injured list

May 07, 2021

Cubs  place Ian Happ on the injured list

Cubs  designate Kyle Ryan for assignment

May 10, 2021

Cubs  sign Adrian Sampson

May 11, 2021

Cubs  place Jake Marisnick on the injured list

Trayce Thompson traded from Diamondbacks  to Cubs 

May 15, 2021

Cubs  designate Ildemaro Vargas for assignment

May 16, 2021

Cubs  place Alec Mills on the injured list

May 18, 2021

Cameron Maybin traded from Cubs  to Mets 

May 19, 2021

Cubs  designate Tony Wolters for assignment

May 20, 2021

Cubs  place Jason Heyward on the injured list

May 21, 2021

Cubs  place Justin Steele on the injured list

May 25, 2021

Cubs  place Matt Duffy on the injured list

Cubs  designate Jason Adam for assignment

May 26, 2021

Cubs  place Nico Hoerner on the injured list

Cubs  designate Shelby Miller for assignment

Cubs  release Jason Adam

May 28, 2021

Cubs  sign Tyler Ladendorf

May 29, 2021

Cubs  sign Dee Strange-Gordon

May 30, 2021

Cubs  place David Bote on the injured list

Cubs  designate Tyson Miller for assignment

May 31, 2021

Cubs  place Trevor Williams on the injured list

Cubs  release Shelby Miller

June 05, 2021

Cubs  designate Nick Martini for assignment

June 08, 2021

Cubs  place Adbert Alzolay on the injured list

June 11, 2021

Cubs  place P.J. Higgins on the injured list

June 16, 2021

Cubs  place Dillon Maples on the injured list

Cubs  place P.J. Higgins on the injured list

June 20, 2021

Cubs  designate Robert Stock for assignment

June 29, 2021

Cubs  place Matt Duffy on the injured list

Cubs  place Ryan Tepera on the injured list

June 30, 2021

Cubs  place Jose Lobaton on the injured list

July 05, 2021

Cubs  designate Taylor Gushue for assignment

Cubs  sign Robinson Chirinos as a free agent

July 06, 2021

Cubs  place Kohl Stewart on the injured list

Cubs  place Eric Sogard on the injured list

July 07, 2021

Cubs  place Jake Arrieta on the injured list

July 09, 2021

Cubs  place Brad Wieck on the injured list

July 12, 2021

Cubs  sign Jason Adam

July 15, 2021

Joc Pederson traded from Cubs  to Braves 

July 23, 2021

Cubs  place Brad Wieck on the injured list

Cubs  designate Eric Sogard for assignment

July 26, 2021

July 28, 2021

Cubs  release Eric Sogard

July 29, 2021

Cubs  place Dillon Maples on the injured list

Cubs  place Kohl Stewart on the injured list

Cubs  place Nico Hoerner on the injured list

Ryan Tepera traded from Cubs  to White Sox 

Anthony Rizzo traded from Cubs  to Yankees 

July 30, 2021

August 06, 2021

Cubs  place Jason Heyward on the injured list

August 12, 2021

Cubs  place Willson Contreras on the injured list

Cubs  designate Kyle Ryan for assignment

Cubs  release Jake Arrieta

August 14, 2021

Cubs  place Adbert Alzolay on the injured list

August 17, 2021

Cubs  designate Dan Winkler for assignment

August 18, 2021

Cubs  designate Johneshwy Fargas for assignment

August 20, 2021

Cubs  release Dan Winkler

August 28, 2021

Cubs  place David Bote on the injured list

Cubs  designate Ryan Meisinger for assignment

Cubs  designate Jake Jewell for assignment

September 04, 2021

Cubs  place Keegan Thompson on the injured list

September 06, 2021

Cubs  designate Andrew Romine for assignment

September 08, 2021

Cubs  place Michael Hermosillo on the injured list

September 12, 2021

Cubs  place Jason Heyward on the injured list

September 14, 2021

Cubs  place Jason Heyward on the injured list

Cubs  place Michael Hermosillo on the injured list

September 17, 2021

Cubs  place Manuel Rodriguez on the injured list

September 19, 2021

Cubs  designate Dillon Maples for assignment

September 21, 2021

Cubs  place Jason Heyward on the injured list

Cubs  place Alfonso Rivas on the injured list

September 24, 2021

Cubs  place Robinson Chirinos on the injured list

September 28, 2021

Cubs  place Keegan Thompson on the injured list

September 29, 2021

Cubs  place Patrick Wisdom on the injured list

September 30, 2021

Cubs  place Austin Romine on the injured list

October 01, 2021

Cubs  place Nick Martini on the injured list

Cubs  place Nico Hoerner on the injured list

Cubs  place David Bote on the injured list

October 02, 2021

Cubs  place Tommy Nance on the injured list

October 03, 2021

Cubs  place Willson Contreras on the injured list

Cubs  place Alfonso Rivas on the injured list

October 05, 2021

Austin Romine became a free agent

October 18, 2021

Cubs  designate Erick Castillo for assignment

Cubs  designate Tyler Payne for assignment

November 03, 2021

Jose Lobaton became a free agent

Zach Davies became a free agent

Matt Duffy became a free agent

Robinson Chirinos became a free agent

November 04, 2021

Adam Morgan became a free agent

November 19, 2021

Cubs  sign P.J. Higgins

November 22, 2021

Harold Ramirez traded from Indians  to Cubs 

November 28, 2021

Cubs  sign Locke St. John

Cubs  sign Narciso Crook

November 30, 2021

Jason Adam became a free agent

December 01, 2021

Cubs  sign Clint Frazier as a free agent

Cubs  sign Michael Hermosillo as a free agent

Cubs  sign Marcus Stroman as a free agent

Cubs  sign Yan Gomes as a free agent

December 03, 2021

Cubs  sign Stephen Gonsalves

December 15, 2021

Cubs  sign Mark Leiter

December 29, 2021

Cubs  sign Dixon Machado