The 1978 Toronto Blue Jays season was the franchise's second season of Major League Baseball. It resulted in the Blue Jays finishing seventh in the American League East with a record of 59 wins and 102 losses.

Offseason

Transactions

Transactions by the Toronto Blue Jays during the off-season before the 1978 season.

October 1977

November 1977

December 1977

January 1978

February 1978

March 1978

Regular season

Opening Day starters

Season standings

Record vs. opponents

Transactions

Transactions for the Toronto Blue Jays during the 1978 regular season.

April 1978

May 1978

July 1978

August 1978

September 1978

Roster

Game log

Player stats

Batting

Starters by position

Note: Pos = Position; G = Games played; AB = At bats; R = Runs scored; H = Hits; 2B = Doubles; 3B = Triples; Avg = Batting average; HR = Home runs; RBI = Runs batted in; SB = Stolen bases

Other batters

''Note: G = Games played; AB = At bats; R = Runs scored; H = Hits; 2B = Doubles; 3B = Triples; Avg. = Batting average; HR = Home runs; RBI = Runs batted in; SB = Stolen bases''

Pitching

Starting pitchers

Note: G = Games pitched; GS = Games started; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; R = Runs allowed; ER = Earned runs allowed; BB = Walks allowed; K = Strikeouts

Other pitchers

Note: G = Games pitched; GS = Games started; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; R = Runs allowed; ER = Earned runs allowed; BB = Walks allowed; K = Strikeouts

Relief pitchers

Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; R = Runs allowed; ER = Earned runs allowed; BB = Walks allowed; K = Strikeouts

Awards and honours

All-Star Game

Farm system