1931 Chicago Cubs season

The 1931 Chicago Cubs season was the 60th season of the Chicago Cubs franchise, the 56th in the National League and the 16th at Wrigley Field. The Cubs finished third in the National League with a record of 84–70, 17 games behind the St. Louis Cardinals.

Offseason

 * October 14, 1930: Bill McAfee and Wes Schulmerich were traded by the Cubs to the Boston Braves for Bob Smith and Jimmy Welsh.

Regular season
1931 was one of player-manager Rogers Hornsby's last productive seasons. He managed to drive in 90 runs and collect 37 doubles in only 100 games, while recording a batting average of .331. He led the league in on-base percentage (.421) for the ninth and last time in his career.

Notable transactions

 * June 13, 1931: Earl Grace was traded by the Cubs to the Pittsburgh Pirates for Rollie Hemsley.

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