June 16, 2016

Nationals  sign Carter Kieboom

June 17, 2016

Nationals  sign Tres Barrera

Nationals  sign Daniel Johnson

June 20, 2016

Nationals  sign Sheldon Neuse

Nationals  sign Ben Braymer

Nationals  sign Jesus Luzardo

June 26, 2016

Nationals  place Stephen Strasburg on the injured list

July 01, 2016

Nationals  sign Dane Dunning

July 02, 2016

Nationals  sign Israel Pineda

Nationals  sign Joan Adon

Nationals  sign Luis Garcia

July 03, 2016

Nationals  place Joe Ross on the injured list

July 08, 2016

Nationals  place Ryan Zimmerman on the injured list

July 29, 2016

Nationals  place Jose Lobaton on the injured list

July 30, 2016

August 06, 2016

Nationals  place Ryan Zimmerman on the injured list

August 22, 2016

Nationals  place Stephen Strasburg on the injured list

August 25, 2016

Max Schrock traded from Nationals  to Athletics 

September 26, 2016

Taylor Gushue traded from Pirates  to Nationals 

October 01, 2016

Nationals  sign Yadiel Hernandez

November 03, 2016

Mark Melancon became a free agent

Wilson Ramos became a free agent

Yusmeiro Petit became a free agent

December 02, 2016

Pedro Avila traded from Nationals  to Padres 

December 07, 2016

December 10, 2016