The 1978 Seattle Mariners season was the second in franchise history. The Mariners ended the season by finishing seventh in the American League West with a record of 56–104 (.350).
Offseason
- March 27, 1978: Bob Galasso was released by the Mariners.
- March 27, 1978: Mike Kekich was released by the Mariners.
Regular season
- October 1, 1978: Kevin Pasley hit a home run in the last at bat of his career.
Season standings
Record vs. opponents
Notable transactions
- June 6, 1978: Vance McHenry was drafted by the Mariners in the 11th round of the 1978 Major League Baseball Draft.
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
Notes
References
- 1978 Seattle Mariners at Baseball Reference
- 1978 Seattle Mariners team page at www.baseball-almanac.com
