In the history of Major League Baseball, several powerhouse franchises have swept the World Series in four straight games under the modern best-of-seven format, achieving a flawless 4-0 series record. Iconic sweeps have been recorded by legendary teams such as the New York Yankees, Cincinnati Reds, Oakland Athletics, and New York Mets across various championship eras. Sweeping the Fall Classic requires dominant pitching performances, clutch hitting, and flawless execution to defeat the opposing league champion without dropping a single game.