January 06, 2020

Angels  designate Jake Jewell for assignment

Kyle Keller traded from Marlins  to Angels 

January 07, 2020

Angels  sign Jason Castro as a free agent

January 14, 2020

Angels  designate Luis Madero for assignment

February 10, 2020

Angels  designate Parker Markel for assignment

June 28, 2020

Angels  sign Reid Detmers

July 06, 2020

Angels  place Dillon Peters on the injured list

Angels  place Julio Teheran on the injured list

Angels  place Jose Suarez on the injured list

Angels  place Luis Rengifo on the injured list

July 28, 2020

Angels  place Andrelton Simmons on the injured list

August 04, 2020

Angels  place Cam Bedrosian on the injured list

August 21, 2020

Angels  place Max Stassi on the injured list

August 23, 2020

Angels  designate Michael Hermosillo for assignment

August 29, 2020

Angels  place Hoby Milner on the injured list

Tommy La Stella traded from Angels  to Athletics 

August 31, 2020

September 02, 2020

Angels  designate Ryan Buchter for assignment

September 03, 2020

Angels  place David Fletcher on the injured list

September 06, 2020

Ryan Buchter became a free agent

September 26, 2020

Angels  place Luis Rengifo on the injured list

October 28, 2020

Andrelton Simmons became a free agent

Julio Teheran became a free agent

November 17, 2020

Angels  sign Kean Wong

Angels  sign Jake Reed

Angels  sign Jhonathan Diaz

November 20, 2020

Angels  sign Scott Schebler

November 23, 2020

Angels  sign Jake Faria as a free agent

December 02, 2020

Jose Iglesias traded from Orioles  to Angels 

Matt Andriese became a free agent

Hoby Milner became a free agent

Hansel Robles became a free agent

Keynan Middleton became a free agent

December 07, 2020

December 14, 2020

Angels  sign Ben Rowen

December 16, 2020

Angels  sign Alex Claudio as a free agent