The 1920 World Series was the championship series for Major League Baseball's 1920 season. The series was a best-of-nine format played between the American League (AL) champion Cleveland Indians and the National League (NL) champion Brooklyn Robins, with the Indians defeating the Robins five games to two to win their first championship in franchise history. This was the first major professional sports championship ever won by a Cleveland-based team. The only World Series triple play, the first World Series grand slam, and the first World Series home run by a pitcher all occurred in Game 5 of this series. This was also the first World Series and first Big Four championship series to feature two brothers on opposing teams, with Doc Johnston playing for Cleveland and Jimmy Johnston playing for Brooklyn. Won the 1920 World Series on October 12, 1920. Wiki link