All Time Biggest Seattle Mariners Losses

Major League Baseball » Seattle Mariners » Biggest Losses

What is the biggest regular season loss in Seattle Mariners history?

Based on run differential, the largest loss in Seattle Mariners history is by 20 runs, which occured in a 1-21 loss to the Houston Astros on Sep 8, 2019.

Biggest Seattle Mariners Losses By Run Margin

Team Year Run Margin Opponent Score
1 Seattle Mariners 2019 20 @ Houston Astros Astros 1-21
2 Seattle Mariners 1993 17 @ Detroit Tigers Tigers 3-20
3 Seattle Mariners 2000 16 @ Chicago White Sox White Sox 3-19
4 Seattle Mariners 2021 15 @ San Diego Padres Padres 1-16
Seattle Mariners 2017 15 vs Chicago White Sox White Sox 1-16
Seattle Mariners 2007 15 vs Cincinnati Reds Reds 1-16
Seattle Mariners 1997 15 @ Anaheim Angels Angels 3-18
Seattle Mariners 1981 15 @ Oakland Athletics Athletics 1-16
Seattle Mariners 1977 15 @ Minnesota Twins Twins 0-15
Seattle Mariners 1977 15 vs Kansas City Royals Royals 1-16
11 Seattle Mariners 2021 14 @ Houston Astros Astros 1-15
Seattle Mariners 2019 14 vs Minnesota Twins Twins 4-18
Seattle Mariners 2019 14 vs Texas Rangers Rangers 1-15
Seattle Mariners 2015 14 @ Boston Red Sox Red Sox 1-15
Seattle Mariners 2007 14 @ Kansas City Royals Royals 3-17
Seattle Mariners 1998 14 vs Toronto Blue Jays Blue Jays 2-16
Seattle Mariners 1998 14 vs Detroit Tigers Tigers 3-17
Seattle Mariners 1997 14 vs New York Yankees Yankees 2-16
Seattle Mariners 1994 14 @ Chicago White Sox White Sox 2-16
Seattle Mariners 1993 14 @ California Angels Angels 1-15
Seattle Mariners 1992 14 @ Baltimore Orioles Orioles 1-15
Seattle Mariners 1986 14 @ Detroit Tigers Tigers 0-14
23 Seattle Mariners 2021 13 @ Los Angeles Angels Angels 1-14
Seattle Mariners 2020 13 @ Los Angeles Angels Angels 3-16
Seattle Mariners 2019 13 @ Los Angeles Angels Angels 0-13
Seattle Mariners 2019 13 @ Boston Red Sox Red Sox 1-14
Seattle Mariners 2019 13 vs Texas Rangers Rangers 1-14
Seattle Mariners 2017 13 @ Minnesota Twins Twins 7-20
Seattle Mariners 2016 13 @ Texas Rangers Rangers 1-14
Seattle Mariners 2015 13 @ Houston Astros Astros 0-13
Seattle Mariners 1997 13 vs Milwaukee Brewers Brewers 4-17
Seattle Mariners 1992 13 vs Detroit Tigers Tigers 0-13
Seattle Mariners 1986 13 vs Minnesota Twins Twins 1-14
Seattle Mariners 1984 13 vs New York Yankees Yankees 1-14
35 Seattle Mariners 2015 12 @ Boston Red Sox Red Sox 10-22
Seattle Mariners 2015 12 @ Oakland Athletics Athletics 0-12
Seattle Mariners 2013 12 @ Texas Rangers Rangers 3-15
Seattle Mariners 2013 12 @ Los Angeles Angels of Anaheim Angels of Anaheim 0-12
Seattle Mariners 2008 12 @ Kansas City Royals Royals 0-12
Seattle Mariners 2008 12 @ Chicago White Sox White Sox 3-15
Seattle Mariners 2004 12 vs Cleveland Indians Indians 6-18
Seattle Mariners 2003 12 @ Oakland Athletics Athletics 0-12
Seattle Mariners 2002 12 @ Anaheim Angels Angels 3-15
Seattle Mariners 2001 12 @ Texas Rangers Rangers 2-14
Seattle Mariners 1998 12 @ Chicago White Sox White Sox 2-14
Seattle Mariners 1993 12 vs California Angels Angels 2-14
Seattle Mariners 1992 12 vs Texas Rangers Rangers 1-13
Seattle Mariners 1986 12 @ Detroit Tigers Tigers 0-12
Seattle Mariners 1983 12 @ Chicago White Sox White Sox 0-12
Seattle Mariners 1983 12 vs Toronto Blue Jays Blue Jays 7-19
Seattle Mariners 1981 12 @ Kansas City Royals Royals 3-15
Seattle Mariners 1979 12 vs New York Yankees Yankees 2-14
Seattle Mariners 1979 12 vs Minnesota Twins Twins 6-18
Seattle Mariners 1978 12 vs Boston Red Sox Red Sox 1-13
Seattle Mariners 1977 12 @ Detroit Tigers Tigers 1-13

Biggest Seattle Mariners Losses Against All 29 Other Franchises

Opponent Run Margin Date Score
Arizona Diamondbacks 7 Jul 17, 2000 0-7
Atlanta Braves 5 Jun 22, 2008 3-8
Baltimore Orioles 14 May 1, 1992 1-15
Boston Red Sox 14 Aug 14, 2015 1-15
Chicago Cubs 11 (2x) (2 times) May 1, 2019
Jul 29, 2016
0-11
1-12
Chicago White Sox 16 Aug 9, 2000 3-19
Cincinnati Reds 15 Jun 22, 2007 1-16
Cleveland Guardians 12 Jul 16, 2004 6-18
Colorado Rockies 6 (3x) (3 times) Jun 14, 2001
Jul 6, 2018
Jun 14, 2009
2-8
1-7
1-7
Detroit Tigers 17 Apr 17, 1993 3-20
Houston Astros 20 Sep 8, 2019 1-21
Kansas City Royals 15 Apr 24, 1977 1-16
Los Angeles Angels 15 May 21, 1997 3-18
Los Angeles Dodgers 11 (2x) (2 times) Aug 19, 2018
Jul 11, 1999
1-12
3-14
Miami Marlins 7 Apr 19, 2014 0-7
Milwaukee Brewers 13 May 3, 1997 4-17
Minnesota Twins 15 Jul 10, 1977 0-15
New York Mets 6 Jun 25, 2008 2-8
New York Yankees 14 Apr 2, 1997 2-16
Oakland Athletics 15 Apr 17, 1981 1-16
Philadelphia Phillies 9 May 9, 2022 0-9
Pittsburgh Pirates 9 Jul 27, 2016 1-10
San Diego Padres 15 May 21, 2021 1-16
San Francisco Giants 9 (2x) (2 times) Apr 4, 2018
Sep 9, 2020
1-10
1-10
St. Louis Cardinals 10 Sep 15, 2013 2-12
Tampa Bay Rays 11 Jun 30, 2023 4-15
Texas Rangers 14 Apr 27, 2019 1-15
Toronto Blue Jays 14 Aug 19, 1998 2-16
Washington Nationals 9 May 23, 2017 1-10
Opponent Run Margin Date Score
Arizona Diamondbacks
Atlanta Braves
Baltimore Orioles 6 (2x) (2 times) Oct 2, 1997
Oct 1, 1997
3-9
3-9
Boston Red Sox
Chicago Cubs
Chicago White Sox
Cincinnati Reds
Cleveland Guardians 15 Oct 13, 2001 2-17
Colorado Rockies
Detroit Tigers
Houston Astros 2 Oct 13, 2022 2-4
Kansas City Royals
Los Angeles Angels
Los Angeles Dodgers
Miami Marlins
Milwaukee Brewers
Minnesota Twins
New York Mets
New York Yankees 9 Oct 22, 2001 3-12
Oakland Athletics
Philadelphia Phillies
Pittsburgh Pirates
San Diego Padres
San Francisco Giants
St. Louis Cardinals
Tampa Bay Rays
Texas Rangers
Toronto Blue Jays
Washington Nationals

What is the biggest shutout loss in Seattle Mariners history?

The largest shutout loss in Seattle Mariners history is 15-0, which happened in a loss to the Minnesota Twins on Jul 10, 1977.

What is the biggest postseason loss in Seattle Mariners history?

The biggest postseason loss in Seattle Mariners history, by run differential, is by 15 runs which occured in a 2-17 loss to the Cleveland Indians during the AL Divisional Series on Oct 13, 2001.

What is the biggest home loss in Seattle Mariners history?

The biggest home loss in Seattle Mariners history, by run differential, is by 15 runs, which has happened 3 times.

What is the biggest road loss in Seattle Mariners history?

The biggest road loss in Seattle Mariners history, by run differential, is by 20 runs which occured in a 1-21 loss to the Houston Astros on Sep 8, 2019.

What is the most runs the Seattle Mariners have ever allowed in a single game?

The most runs the Seattle Mariners have ever allowed in a single game is 22 runs, which they gave up in a 10-22 loss to the Boston Red Sox on Aug 15, 2015.