1902 Pittsburgh Pirates season

The 1902 Pittsburgh Pirates won a second straight National League pennant, by an overwhelming 27.5 game margin over the Brooklyn Superbas. It was the Pirates' first ever 100-win team, and it remains the franchise record for best winning percentage at home (.789).

The team finished with a league-best record of 103-36.

Background
Ginger Beaumont won the batting title with a .357 mark, and Tommy Leach led the league in home runs with six (a major league record for fewest HRs to lead the league). Honus Wagner led the league in RBI with 91, and Jack Chesbro led the league with 28 wins.

The Pirates led the league in every significant batting category, the last time that was ever done in the NL. The team scored 775 runs, which was 142 more than any other team.

The team allowed four home runs during its 1902 season, the fewest in MLB history.

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

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

League top five finishers
Ginger Beaumont
 * NL leader in batting average (.357)
 * #3 in NL in runs scored (100)
 * #3 in NL in on-base percentage (.404)
 * #4 in NL in stolen bases (33)

Jack Chesbro
 * NL leader in wins (28)

Fred Clarke
 * #2 in NL in runs scored (103)
 * #3 in NL in slugging percentage (.449)
 * #4 in NL in on-base percentage (.401)

Tommy Leach
 * NL leader in home runs (6)
 * #2 in NL in RBI (85)
 * #4 in NL in runs scored (97)

Jesse Tannehill
 * #3 in NL in ERA (1.95)

Honus Wagner
 * NL leader in RBI (91)
 * NL leader in runs scored (105)
 * NL leader in stolen bases (42)
 * NL leader in slugging percentage (.463)