January 07, 2022

Nationals  sign Joey Meneses

February 09, 2022

Nationals  sign Taylor Gushue

February 20, 2022

Nationals  sign Reed Garrett

March 08, 2022

Nationals  sign Jordan Weems

Nationals  sign Carl Edwards

March 14, 2022

Nationals  sign Steve Cishek as a free agent

Nationals  sign Ehire Adrianza as a free agent

Nationals  sign Gerardo Parra

March 15, 2022

Nationals  sign Anibal Sanchez

March 16, 2022

Nationals  place Joe Ross on the injured list

Nationals  sign Sean Doolittle as a free agent

Nationals  sign Aaron Sanchez

Nationals  sign Erasmo Ramirez

March 17, 2022

Nationals  designate Jhon Romero for assignment

Nationals  sign Nelson Cruz as a free agent

March 21, 2022

Nationals  place Carter Kieboom on the injured list

March 31, 2022

Nationals  sign Tyler Clippard

April 04, 2022

Nationals  place Stephen Strasburg on the injured list

April 07, 2022

Nationals  place Ehire Adrianza on the injured list

Nationals  place Will Harris on the injured list

Nationals  place Dee Strange-Gordon on the injured list

Nationals  designate Gabe Klobosits for assignment

April 10, 2022

Nationals  place Mason Thompson on the injured list

April 11, 2022

Nationals  place Anibal Sanchez on the injured list

April 15, 2022

Nationals  place Dee Strange-Gordon on the injured list

April 20, 2022

Nationals  place Sean Doolittle on the injured list

April 21, 2022

Nationals  place Hunter Harvey on the injured list

Nationals  sign Zack Burdi

April 23, 2022

Nationals  designate Patrick Murphy for assignment

April 27, 2022

Nationals  sign Edgar Garcia

May 27, 2022

Nationals  sign Ildemaro Vargas

May 29, 2022

Nationals  designate Aaron Sanchez for assignment

May 31, 2022

Nationals  designate Austin Voth for assignment

June 01, 2022

Nationals  place Alcides Escobar on the injured list

June 03, 2022

Nationals  place Josh Rogers on the injured list

June 06, 2022

Nationals  place Victor Arano on the injured list

June 14, 2022

Nationals  place Stephen Strasburg on the injured list

Nationals  place Reed Garrett on the injured list

Nationals  designate Dee Strange-Gordon for assignment

June 18, 2022

Nationals  place Evan Lee on the injured list

June 19, 2022

Nationals  release Dee Strange-Gordon

June 22, 2022

Nationals  sign John Nogowski

July 01, 2022

Nationals  designate Sam Clay for assignment

July 04, 2022

Nationals  place Jackson Tetreault on the injured list

July 13, 2022

Nationals  place Tanner Rainey on the injured list

July 18, 2022

Nationals  sign Dee Strange-Gordon

July 22, 2022

Nationals  place Tyler Clippard on the injured list

Nationals  sign David Dahl

Nationals  sign Daniel Ponce de Leon

July 30, 2022

Nationals  place Erick Fedde on the injured list

August 01, 2022

Ehire Adrianza traded from Nationals  to Braves 

August 02, 2022

Nationals  designate Josh Rogers for assignment

August 03, 2022

Nationals  release Alcides Escobar

August 04, 2022

Nationals  sign Connor Sadzeck

Nationals  sign Daniel Johnson

August 15, 2022

Nationals  place Luis Garcia on the injured list

August 20, 2022

Nationals  place Yadiel Hernandez on the injured list

August 23, 2022

Nationals  designate Tyler Clippard for assignment

August 26, 2022

Nationals  release Maikel Franco

August 31, 2022

Nationals  place Cade Cavalli on the injured list

September 04, 2022

Nationals  place Victor Arano on the injured list

September 09, 2022

Nationals  place Keibert Ruiz on the injured list

Nationals  designate Jake McGee for assignment

Nationals  sign DJ Peters

September 11, 2022

Nationals  release Jake McGee

November 06, 2022

Nelson Cruz became a free agent

Cesar Hernandez became a free agent

Will Harris became a free agent

Erasmo Ramirez became a free agent

Steve Cishek became a free agent

Sean Doolittle became a free agent

Joe Ross became a free agent

November 07, 2022

Anibal Sanchez became a free agent

Nationals  sign Sean Doolittle

November 15, 2022

Nationals  designate Tommy Romero for assignment

November 18, 2022

Tommy Romero became a free agent

Luke Voit became a free agent

Erick Fedde became a free agent

November 22, 2022

Nationals  sign Derek Hill

December 09, 2022

Nationals  sign Trevor Williams as a free agent