The Oakland Athletics acquired catcher Yan Gomes, infielder/outfielder Josh Harrison and cash from the Washington Nationals for catcher Drew Millas and pitchers Seth Shuman and Richard Guasch.

The St. Louis Cardinals acquired pitcher Jon Lester from the Washington Nationals for outfielder Lane Thomas.

The Los Angeles Dodgers acquired pitcher Max Scherzer and infielder Trea Turner from the Washington Nationals for catcher Keibert Ruiz, pitchers Josiah Gray and Gerardo Carrillo, and outfielder Donovan Casey.

The San Diego Padres acquired pitcher Daniel Hudson from the Washington Nationals for pitcher Mason Thompson and infielder Jordy Barley.

The Toronto Blue Jays acquired pitcher Brad Hand from the Washington Nationals for catcher Riley Adams.

The Boston Red Sox acquired outfielder Kyle Schwarber from the Washington Nationals for pitcher Aldo Ramirez.

The Milwaukee Brewers acquired pitcher Kyle Lobstein from the Washington Nationals for cash.

The Washington Nationals acquired infielder Alcides Escobar from the Kansas City Royals for cash.

The Washington Nationals acquired first baseman Josh Bell from the Pittsburgh Pirates for pitchers Eddy Yean and Wil Crowe.

The Washington Nationals acquired pitcher Ryne Harper from the Minnesota Twins for pitcher Hunter McMahon.

The Washington Nationals acquired pitchers Hunter Strickland from the Seattle Mariners for pitchers Aaron Fletcher, Taylor Guilbeau and Elvis Alvarado.

The Washington Nationals acquired pitcher Daniel Hudson from the Toronto Blue Jays for pitcher Kyle Johnston.

The Seattle Mariners acquired pitcher Austin Adams from the Washington Nationals for pitcher Nick Wells and cash.

The San Francisco Giants acquired pitcher Trevor Gott from the Washington Nationals for cash.

The Cincinnati Reds acquired pitcher Tanner Roark from the Washington Nationals for pitcher Tanner Rainey.

The Washington Nationals acquired catcher Yan Gomes from the Cleveland Indians for outfielder Daniel Johnson, pitcher Jefry Rodriguez and a player to be named later.

The Washington Nationals acquired pitcher Kyle Barraclough from the Miami Marlins for international bonus pool money in 2018-19.

The Milwaukee Brewers acquired pitcher Gio Gonzalez from the Washington Nationals for infielder Gilbert Lara and catcher KJ Harrison.

The Los Angeles Dodgers acquired pitcher Ryan Madson from the Washington Nationals for pitcher Andrew Istler

The Chicago Cubs acquired infielder Daniel Murphy from the Washington Nationals for infielder Andruw Monasterio and a player to be named later or cash considerations.

The Oakland Athletics acquired pitcher Shawn Kelley and cash from the Washington Nationals for international bonus pool money in 2018-19.

The Chicago Cubs acquired pitcher Brandon Kintzler from the Washington Nationals for pitcher Jhon Romero.

The Kansas City Royals acquired outfielder Brian Goodwin from the Washington Nationals for pitcher Jacob Condra-Bogan.

The Washington Nationals acquired pitcher Kelvin Herrera from the Kansas City Royals for infielder Kelvin Gutierrez, outfielder Blake Perkins and pitcher Yohanse Morel.

The New York Yankees acquired pitcher A.J. Cole from the Washington Nationals for cash.

The Seattle Mariners acquired pitcher Roenis Elias from the Boston Red Sox for a player to be named later (Eric Filia 06/12/18).

The Washington Nationals acquired pitcher Brandon Kintzler from the Minnesota Twins for pitcher Tyler Watson and international bonus pool money in 2017-18.

The Washington Nationals acquired infielder/outfielder Howie Kendrick and cash from the Philadelphia Phillies for pitcher McKenzie Mills and international bonus pool money in 2017-18.

The Washington Nationals acquired pitchers Ryan Madson and Sean Doolittle from the Oakland Athletics for pitchers Blake Treinen and Jesus Luzardo, plus infielder Sheldon Neuse.

The Washington Nationals acquired pitcher Enny Romero from the Tampa Bay Rays for pitcher Jeffrey Rosa.

The Los Angeles Angels acquired second baseman Danny Espinosa from the Washington Nationals for pitchers Austin Adams and Kyle McGowin.

The Washington Nationals acquired outfielder Adam Eaton from the Chicago White Sox for pitchers Lucas Giolito, Reynaldo Lopez and Dane Dunning.

The Washington Nationals acquired catcher Derek Norris from the San Diego Padres for pitcher Pedro Avila.

The Washington Nationals acquired pitcher Jimmy Cordero from the Philadelphia Phillies for a player to be named later.

The Pittsburgh Pirates acquired infielder Christopher Bostick from the Washington Nationals for catcher Taylor Gushue.

The Washington Nationals acquired pitcher Marc Rzepczynski and cash from the Oakland Athletics for infielder Max Schrock.

The Washington Nationals acquired pitcher Mark Melancon from the Pittsburgh Pirates for pitchers Felipe Rivero and Taylor Hearn.

The Los Angeles Angels acquired infielder Brendan Ryan from the Washington Nationals for a player to be named later or cash considerations.

The Washington Nationals acquired first baseman Nate Freiman from the Atlanta Braves for first baseman/outfielder Tyler Moore.

The Toronto Blue Jays acquired pitcher Drew Storen and cash from the Washington Nationals for outfielder Ben Revere and a player to be named later.

The Los Angeles Angels of Anaheim acquired infielder Yunel Escobar and cash from the Washington Nationals for pitchers Trevor Gott and Michael Brady.

The Washington Nationals acquired pitcher Jonathan Papelbon and cash considerations from the Philadelphia Phillies for pitcher Nick Pivetta.

The Washington Nationals acquired pitcher David Carpenter from the New York Yankees for infielder Tony Renda.

The Washington Nationals acquired outfielder Matt den Dekker from the New York Mets for pitcher Jerry Blevins.

The Boston Red Sox acquired catcher Sandy Leon from the Washington Nationals for cash.

The Washington Nationals acquired infielder Yunel Escobar from the Oakland Athletics for pitcher Tyler Clippard.

The Washington Nationals acquired catcher Dan Butler from the Boston Red Sox for pitcher Danny Rosenbaum.

In a three-team trade, the San Diego Padres acquired outfielder Wil Myers, catcher Ryan Hanigan and pitchers Jose Castillo and Gerardo Reyes from the Tampa Bay Rays; Tampa Bay acquired outfielder Steven Souza and pitcher Travis Ott from the Washington Nationals, and catcher Rene Rivera, pitcher Burch Smith and first baseman/outfielder Jake Bauers from the Padres, and Washington acquired pitcher Joe Ross and a player to be named later from the Padres.

The Texas Rangers acquired pitcher Ross Detwiler from the Washington Nationals for infielder Chris Bostick and pitcher Abel de los Santos.