World Series appeared in 9 and won 5. As of 2018, no team has won consecutive World Series championships since the New York Yankees in , , and —the longest such drought in Major League Baseball history. Until the formation of the American Association in 1882 as a second major league, the National Association of Professional Base Ball Players (1871–1875) and then the National League (founded 1876) represented the top level of organized baseball in the United States. All championships were awarded to the team with the best record at the end of the season, without a postseason series being played. From
2017 World Series three-run homer by Pederson. Bregman hit a home run off of Jansen in the bottom of the ninth inning, but the Dodgers won the game to even up the series. The Astros had two hits in the game; both were home runs. This was the first game in World Series history where both starting pitchers allowed four or fewer baserunners. After Game 4, both teams' pitching coaches, Rick Honeycutt for the Dodgers and Brent Strom for the Astros, commented on how the baseball being used for the World Series is slicker than the baseball used during the regular season. Pitchers