<Li> The Pittsburgh Pirates won all five of their World Series championships in seven games . </Li> <Li> The Minnesota Twins / Washington Senators won all three of their World Series championships in seven games . </Li> <Li> There have been 19 World Series four - game (4--0) sweeps, the most recent of which occurred in 2012 . Nine different teams have swept a World Series at least once, the Yankees having done so most often (8 times). The Red Sox, Reds, and Giants have all done it twice . The Braves, Orioles, White Sox, Dodgers, and Athletics have each swept one Series . Six of these teams (all but the Orioles, Red Sox and White Sox) have also been swept 0--4 in at least one World Series . The Red Sox' two World Series sweeps are the most of any team that has never been swept in one . The Reds and Yankees are the only teams to have swept each other (the Yankees swept the Reds in 1939, while the Reds swept the Yankees in 1976). The Giants are the only team to record World Series sweeps in two different cities: New York (1954) and San Francisco (2012). The 1999 Yankees are the last team to date, and the only one since 1966, to sweep a World Series it began on the road (as well as the last American League champion to win a World Series it began on the road until the 2017 season when the Astros defeated the Dodgers in 7 games). The 1963 Dodgers are the last National League team to date to sweep a World Series it began on the road . </Li> <Li> The Athletics, Cardinals, Cubs, and Yankees are the only teams to be swept in two World Series . The Athletics and Yankees are the only two of these with at least one World Series sweep to their credit, the other two being among nine teams overall that have never swept a World Series, but have been swept in one (the Tigers, Astros, Indians, Padres, Phillies, Pirates, and Rockies being the others). </Li>

How many sweeps have there been in the world series