1889 New York Giants season

The 1889 New York Giants season was the franchise's seventh season. The team finished first in the National League with a record of 83–43. They beat the Boston Beaneaters by just one game. The Beaneaters won the same number of games as the Giants, but lost two more games, giving the pennant to the Giants. The Giants went on to face the American Association champion Brooklyn Bridegrooms in the World Series, winning six games to three. The series marked the first meeting between the Giants and the team that would become the Dodgers, a rivalry that continues to this day.

Starters by position
''Note: Pos = Position; G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in''

Other batters
''Note: G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in''

Starting pitchers
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts

Other pitchers
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts

Relief pitchers
Note: G = Games pitched; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; SO = Strikeouts

1889 World Series
The Giants beat the Brooklyn Bridegrooms six games to three in the World Series.