George McPhee

Colorado Avalanche acquire Date Washington Capitals acquire
Semyon Varlamov
July 1, 2011
2012 1st round pick
 2012 or 2013 2nd round pick
Chicago Blackhawks acquire Date Washington Capitals acquire
2011 1st round pick (#26-Phillip Danault)
June 24, 2011
Troy Brouwer
Nashville Predators acquire Date Washington Capitals acquire
2013 conditional 7th round pick (if Stefishen appears on the Capitals reserve list as a signed NHL contracted player for 1 day or more during the 2011-12 or 2012-13 league years)
June 2, 2011
Taylor Stefishen
New Jersey Devils acquire Date Washington Capitals acquire
Dave Steckel
 2012 2nd round pick
February 28, 2011
Jason Arnott
Washington Capitals acquire Date Florida Panthers acquire
Dennis Wideman
February 28, 2011
Jake Hauswirth
 2011 3rd round pick (#86-Jonathan Racine)
Colorado Avalanche acquire Date Washington Capitals acquire
Tomas Fleischmann
November 30, 2010
Scott Hannan
St. Louis Blues acquire Date Washington Capitals acquire
Stefan Della Rovere
July 28, 2010
D.J. King
Toronto Maple Leafs acquire Date Washington Capitals acquire
2010 4th round pick (#116-Petter Granberg)
2010 5th round pick (#146-Daniel Brodin)
June 26, 2010
2010 4th round pick #112-Philipp Grubauer)
Columbus Blue Jackets acquire Date Washington Capitals acquire
2010 conditional 6th round pick (not exercised)
March 3, 2010
Milan Jurcina
Washington Capitals acquire Date Carolina Hurricanes acquire
Joe Corvo
March 3, 2010
Oskar Osala
 Brian Pothier
 2011 2nd round pick (#57-Tyler Wotherspoon)
Washington Capitals acquire Date Carolina Hurricanes acquire
Scott Walker
March 3, 2010
2010 7th round pick (#206-Ricard Blidstrand)
Minnesota Wild acquire Date Washington Capitals acquire
2010 2nd round pick (#56-Johan Larsson)
March 3, 2010
Eric Belanger
Columbus Blue Jackets acquire Date Washington Capitals acquire
Chris Clark
 Milan Jurcina
December 28, 2009
Jason Chimera
Calgary Flames acquire Date Washington Capitals acquire
Keith Seabrook
July 17, 2009
future considerations
Arizona Coyotes acquire Date Washington Capitals acquire
Sami Lepisto
June 27, 2009
2010 5th round pick (#142-Caleb Herbert)
New Jersey Devils acquire Date Washington Capitals acquire
2008 1st round pick (#23-Tyler Cuma)
2008 2nd round pick (#54-Patrice Cormier)
June 20, 2008
2008 1st round pick (#21-Anton Gustafsson)
Washington Capitals acquire Date Philadelphia Flyers acquire
2008 1st round pick (#27-John Carlson)
June 20, 2008
Steve Eminger
 2008 3rd round pick (#84-Jacob DeSerres)
Vancouver Canucks acquire Date Washington Capitals acquire
Matt Pettinger
February 26, 2008
Matt Cooke
Montreal Canadiens acquire Date Washington Capitals acquire
2009 2nd round pick (#45-Jeremy Morin)
February 26, 2008
Cristobal Huet
Columbus Blue Jackets acquire Date Washington Capitals acquire
rights to Theo Ruth
February 26, 2008
Sergei Fedorov