This Red Sox hype video will get you pumped for World Series title defense originally appeared on nbcsportsboston.com The last time we saw the Boston Red Sox, they were celebrating a 2018 World Series title after beating the Los Angeles Dodgers in five games. On Thursday, the Sox return to the baseball diamond in Seattle, where they will begin one of the toughest challenges in sports: repeating as champions. No MLB team has gone back-to-back since the New York Yankees completed a historic three-peat in 1998, 1999 and 2000.