January 08, 2018

Cubs  sign Daniel Camarena

January 09, 2018

Cubs  sign Kyle Ryan

February 13, 2018

Cubs  sign Yu Darvish as a free agent

February 16, 2018

Cubs  place Drew Smyly on the injured list

March 15, 2018

Cubs  release Justin Grimm

April 03, 2018

Daniel Camarena traded from Cubs  to Yankees 

April 09, 2018

Cubs  place Anthony Rizzo on the injured list

May 07, 2018

Cubs  place Yu Darvish on the injured list

May 08, 2018

Cubs  place Jason Heyward on the injured list

May 16, 2018

Cubs  place Jason Heyward on the injured list

May 26, 2018

Cubs  place Yu Darvish on the injured list

May 30, 2018

Cubs  place Carl Edwards on the injured list

June 21, 2018

Cubs  sign Nico Hoerner

June 26, 2018

Cubs  place Kris Bryant on the injured list

June 27, 2018

Cubs  sign Ethan Roberts

July 08, 2018

Cubs  place Anthony Bass on the injured list

July 19, 2018

Jesse Chavez traded from Rangers  to Cubs 

July 21, 2018

Cubs  place Anthony Bass on the injured list

July 26, 2018

Cubs  place Kris Bryant on the injured list

July 31, 2018

August 15, 2018

Terrance Gore traded from Royals  to Cubs 

August 23, 2018

Cubs  place Tyler Chatwood on the injured list

August 31, 2018

Cubs  place Jason Heyward on the injured list

September 01, 2018

Cubs  designate Luke Farrell for assignment

Cubs  designate Rob Zastryzny for assignment

October 29, 2018

Jesse Chavez became a free agent

Justin Wilson became a free agent

October 31, 2018

Cubs  sign Robel Garcia

November 02, 2018

Drew Smyly traded from Cubs  to Rangers 

November 12, 2018

Cubs  sign Wynton Bernard

November 20, 2018

November 28, 2018

Ronald Torreyes traded from Yankees  to Cubs 

Cubs  sign Kyle Ryan as a free agent

November 29, 2018

Tommy La Stella traded from Cubs  to Angels 

November 30, 2018

Ronald Torreyes became a free agent

December 19, 2018

Cubs  sign Phillip Evans

December 23, 2018

Cubs  sign Kendall Graveman as a free agent