1931 St. Louis Cardinals season

The 1931 St. Louis Cardinals season was the team's 50th season in St. Louis, Missouri and the 40th season in the National League. The Cardinals went 101–53 during the season and finished first in the National League. In the World Series, they beat the Philadelphia Athletics in 7 games.

Regular season
Second baseman Frankie Frisch won the MVP Award this year, batting .311, with 4 home runs and 82 RBIs.

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

1931 World Series
NL St. Louis Cardinals (4) vs. AL Philadelphia Athletics (3)

Awards and honors

 * Pepper Martin, Associated Press Athlete of the Year

League leaders

 * Chick Hafey, NL Batting Champion, .349
 * Bill Hallahan, NL Leader (tied), 19 Wins
 * Bill Hallahan NL Leader, 159 strikeouts
 * Frankie Frisch, NL Leader, 28 stolen bases

Farm system
LEAGUE CHAMPIONS: Rochester, Houston, Springfield, Keokuk