1980 Chicago Cubs season

The 1980 Chicago Cubs season was the 109th season of the Chicago Cubs franchise, the 105th in the National League and the 65th at Wrigley Field. The Cubs finished sixth and last in the National League East with a record of 64–98.

Offseason

 * October 3, 1979: Ken Holtzman was released by the Cubs.
 * October 17, 1979: Donnie Moore was traded by the Cubs to the St. Louis Cardinals for Mike Tyson.
 * January 11, 1980: 1980 Major League Baseball draft
 * Jim Eppard was drafted by the Cubs in the 11th round, but did not sign.
 * Tom Henke was drafted by the Cubs in the 1st round (24th pick) of the secondary phase, but did not sign.
 * February 5, 1980: Derek Botelho was released by the Cubs.

Notable transactions

 * June 3, 1980: Don Schulze was drafted in the 1st round (11th pick) of the 1980 Major League Baseball draft.
 * June 7, 1980: Henry Cotto was signed as an amateur free agent by the Cubs.
 * July 14, 1980: Rolando Roomes was signed as an amateur free agent by the Cubs.

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