Question: who has won the least amount of world series
Answer: The Seattle Mariners and the Washington Nationals ( formerly Montreal Expos ) are the only current Major League Baseball franchises to have never appeared in a World Series ; the San Diego Padres , Colorado Rockies , Texas Rangers ( formerly the 1961 -- 1971 version of the Washington Senators ) , Tampa Bay Rays , and Milwaukee Brewers ( formerly Seattle Pilots ) have all played in the Series but have never won .