The 1966 Boston Red Sox season was the 66th season in the franchise's Major League Baseball history. The Red Sox finished ninth in the American League (AL) with a record of 72 wins and 90 losses, 26 games behind the AL and World Series champion Baltimore Orioles. After this season, the Red Sox would not lose 90 games again until 2012.

Offseason

Regular season

Season standings

Record vs. opponents

Opening Day lineup

Notable transactions

Roster

Player stats

Batting

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''

Pitching

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: Toronto Source: