January 04, 2021

Giants  sign Curt Casali as a free agent

January 09, 2021

Sam Coonrod traded from Giants  to Phillies 

January 14, 2021

Giants  sign Alex Wood as a free agent

February 04, 2021

LaMonte Wade traded from Twins  to Giants 

Giants  sign Zack Littell as a free agent

Giants  sign Tommy La Stella as a free agent

February 06, 2021

Giants  sign James Sherfy

February 17, 2021

Giants  place John Brebbia on the injured list

Giants  sign Nick Tropeano

Giants  sign Jake McGee as a free agent

Giants  sign Jay Jackson as a free agent

February 21, 2021

Giants  designate Trevor Gott for assignment

Giants  sign Aaron Sanchez as a free agent

February 26, 2021

Giants  place Tyler Beede on the injured list

Giants  sign Scott Kazmir as a free agent

March 06, 2021

Giants  sign Jose Alvarez as a free agent

April 01, 2021

Giants  place Alex Wood on the injured list

April 11, 2021

Giants  place Jaylin Davis on the injured list

Giants  place Reyes Moronta on the injured list

Thairo Estrada traded from Yankees  to Giants 

April 14, 2021

Giants  place LaMonte Wade on the injured list

April 16, 2021

Giants  place Johnny Cueto on the injured list

April 18, 2021

Giants  place Logan Webb on the injured list

Giants  place Jake McGee on the injured list

April 20, 2021

Giants  designate Trevor Gott for assignment

April 22, 2021

Giants  place Donovan Solano on the injured list

April 24, 2021

Giants  place Jarlin Garcia on the injured list

April 27, 2021

April 28, 2021

Giants  place Mike Yastrzemski on the injured list

April 30, 2021

Giants  designate Skye Bolt for assignment

May 04, 2021

Giants  place Tommy La Stella on the injured list

Giants  place Kevin Gausman on the injured list

May 05, 2021

Skye Bolt traded from Giants  to Athletics 

May 07, 2021

Giants  place Alex Dickerson on the injured list

May 08, 2021

Giants  place Aaron Sanchez on the injured list

May 13, 2021

Giants  place Jose Alvarez on the injured list

May 17, 2021

Giants  place Reyes Moronta on the injured list

May 18, 2021

Giants  place Tommy La Stella on the injured list

May 19, 2021

Giants  place Wilmer Flores on the injured list

May 20, 2021

Giants  place Logan Webb on the injured list

May 21, 2021

Giants  designate Trevor Hildenberger for assignment

May 22, 2021

Giants  designate Braden Bishop for assignment

May 26, 2021

Giants  place Brandon Belt on the injured list

May 27, 2021

Giants  place Darin Ruf on the injured list

May 30, 2021

Giants  place Caleb Baragar on the injured list

June 01, 2021

Giants  place Curt Casali on the injured list

June 03, 2021

Giants  place Mike Yastrzemski on the injured list

Giants  place Logan Webb on the injured list

June 04, 2021

Giants  designate Nick Tropeano for assignment

June 05, 2021

Giants  designate Scott Kazmir for assignment

June 06, 2021

Giants  place James Sherfy on the injured list

Giants  place Evan Longoria on the injured list

June 09, 2021

Giants  place Alex Dickerson on the injured list

Giants  designate Matt Wisler for assignment

June 11, 2021

June 20, 2021

Giants  place Aaron Sanchez on the injured list

June 25, 2021

Giants  place Brandon Belt on the injured list

July 01, 2021

Giants  place Mike Tauchman on the injured list

July 02, 2021

Anthony Banda traded from Giants  to Mets 

July 05, 2021

Giants  place Sammy Long on the injured list

July 06, 2021

Giants  place Jaylin Davis on the injured list

Giants  designate James Sherfy for assignment

July 09, 2021

Giants  place Buster Posey on the injured list

July 16, 2021

Giants  place Evan Longoria on the injured list

Giants  place Logan Webb on the injured list

July 19, 2021

Giants  place Brandon Crawford on the injured list

July 29, 2021

Giants  designate Mike Tauchman for assignment

July 30, 2021

August 04, 2021

Giants  place Anthony DeSclafani on the injured list

Giants  designate Conner Menez for assignment

August 05, 2021

Giants  sign Tyler Chatwood

August 08, 2021

Giants  designate Aaron Sanchez for assignment

August 11, 2021

Giants  place Johnny Cueto on the injured list

August 13, 2021

Giants  release Aaron Sanchez

August 14, 2021

Giants  place Jay Jackson on the injured list

August 15, 2021

Giants  place Luis Gonzalez on the injured list

August 17, 2021

Giants  place Tyler Beede on the injured list

August 22, 2021

Giants  place Evan Longoria on the injured list

Giants  place Anthony DeSclafani on the injured list

August 24, 2021

Giants  place Kevin Gausman on the injured list

Giants  place Evan Longoria on the injured list

August 26, 2021

Giants  place Donovan Solano on the injured list

August 29, 2021

Giants  sign Wyatt Mathisen

August 30, 2021

Giants  place Johnny Cueto on the injured list

Giants  place Alex Wood on the injured list

September 01, 2021

Giants  place Johnny Cueto on the injured list

September 02, 2021

Giants  place Wilmer Flores on the injured list

September 03, 2021

Giants  place Tyler Chatwood on the injured list

September 04, 2021

Giants  place Alex Dickerson on the injured list

September 05, 2021

Giants  place Austin Slater on the injured list

September 17, 2021

Giants  place Jake McGee on the injured list

September 18, 2021

Giants  designate Chadwick Tromp for assignment

September 23, 2021

Giants  place Darin Ruf on the injured list

Giants  sign John Nogowski

September 25, 2021

Giants  sign Ka'ai Tom

September 28, 2021

Giants  place Brandon Belt on the injured list

September 30, 2021

Giants  place Tony Watson on the injured list

Giants  designate Jose Quintana for assignment

October 01, 2021

Giants  place Scott Kazmir on the injured list

November 03, 2021

Tony Watson became a free agent

Scott Kazmir became a free agent

Alex Wood became a free agent

Tyler Chatwood became a free agent

Brandon Belt became a free agent

Kris Bryant became a free agent

Donovan Solano became a free agent

Kevin Gausman became a free agent

Anthony DeSclafani became a free agent

November 04, 2021

Buster Posey retired

November 05, 2021

Johnny Cueto became a free agent

November 17, 2021

Giants  sign Brandon Belt as a free agent

November 19, 2021

Giants  designate Jay Jackson for assignment

November 22, 2021

Jay Jackson traded from Giants  to Braves 

Giants  sign Anthony DeSclafani as a free agent

November 23, 2021

Giants  designate Alex Dickerson for assignment

November 24, 2021

Giants  release Alex Dickerson

November 28, 2021

Giants  sign Trevor Hildenberger

November 30, 2021

Luis Gonzalez became a free agent

Giants  sign Alex Cobb as a free agent

Giants  sign Alex Blandino

December 01, 2021

Giants  sign Corey Oswalt

Giants  sign Luis Gonzalez

Giants  sign Alex Wood as a free agent

December 03, 2021

Giants  sign Jon Duplantier

Giants  sign Mauricio Llovera

December 13, 2021

Giants  sign Jason Krizan