Upcoming Throwback Games

June 3, 2011 - New York Yankees at Los Angeles Angels

1960s Uniforms

June 11, 2011 - Washington Nationals at San Diego Padres

1936 Uniforms

June 15, 2011 - Cincinnati Reds at Los Angeles Dodgers

June 21, 2011 - Baltimore Orioles at Pittsburgh Pirates
Celebration of 1971 World Championship (not sure if it will be throwbacks or not)

June 22, 2011 - Detroit Tigers at Los Angeles Dodgers

July 1, 2011 - Los Angeles Dodgers at Los Angeles Angels
1960s Uniforms

July 1, 2011 - San Diego Padres at Seattle Mariners
1983 Uniforms

July 2, 2011 - St. Louis Cardinals at Tampa Bay Rays
 Cards to wear 50's uniforms & Rays to dress as minor league Tampa

July 8, 2011 - Seattle Mariners at Los Angeles Angels
1990s Uniforms

July 16, 2011 - Chicago White Sox at Detroit Tigers
Negro League Tribute Game

July 22, 2011 - San Diego Padres at Philadelphia Phillies
Phillies to wear 1984 home uniforms.  [source]

August 5, 2011 - Seattle Mariners at Los Angeles Angels

1990s Uniforms

August 10, 2011 - Philadelphia Phillies at Los Angeles Dodgers

August 19, 2011 - Baltimore Orioles at Los Angeles Angels
1990s Uniforms

August 31, 2011 - San Diego Padres at Los Angeles Dodgers

September 2, 2011 - Minnesota Twins at Los Angeles Angels
1970s Uniforms

September 9, 2011 - New York Yankees at Los Angeles Angels
1970s Uniforms

September 23, 2011 - Oakland Athletics at Los Angeles Angels
1970s Uniforms