1938 Pittsburgh Pirates season

The 1938 Pittsburgh Pirates season was the 57th season of the Pittsburgh Pirates franchise and their 52nd in the National League. The Pirates maintained a seven-game lead in the NL on September 1, but went 12–16–1 for the rest of the season and relinquished the lead to the Chicago Cubs on September 28, losing to the Cubs on Gabby Hartnett's "Homer in the Gloamin'". The Pirates finished second in the league with an 86–64 record.

Offseason

 * February 22, 1938: Tommy Thevenow was signed as a free agent by the Pirates.

Game log

 * Legend:      = Win       = Loss       = Tie Bold = Pirates team member
 * Legend:      = Win       = Loss       = Tie Bold = Pirates team member

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

Farm system
LEAGUE CHAMPIONS: Carthage