The Biggest Seattle Mariners Blown Leads Of All Time

What is the biggest Seattle Mariners blown lead of all time?

The largest blown lead in Seattle Mariners history is 12 runs. The Mariners were leading 14-2 in the bottom of the 7th inning against the Cleveland Indians on Aug 5, 2001, and ended up losing the game 14-15 in extra innings.

Biggest Seattle Mariners Collapses

	Date	Opponent	Largest Lead		Final Score
1	Sun, Aug 5, 2001	@ Cleveland Indians	12	14-2, Bot 7th	14-15
2	Sun, Sep 25, 2022	@ Kansas City Royals	9	11-2, Bot 6th	12-13
3	Tue, Apr 11, 2023	@ Chicago Cubs	7	7-0, Bot 2nd	9-14
	Thu, Sep 5, 2019	@ Houston Astros	7	7-0, Bot 2nd	9-11
	Sun, Apr 9, 2017	@ Los Angeles Angels	7	8-1, Bot 7th	9-10
	Thu, Jun 20, 2013	@ Los Angeles Angels of Anaheim	7	8-1, Bot 4th	9-10
	Tue, Apr 17, 2012	vs Cleveland Indians	7	8-1, Top 5th	8-9
	Sun, May 31, 2009	@ Los Angeles Angels of Anaheim	7	8-1, Bot 6th	8-9
	Sun, May 29, 1994	@ Milwaukee Brewers	7	7-0, Bot 2nd	8-9
	Fri, Aug 29, 1986	vs New York Yankees	7	12-5, Top 5th	12-13
	Thu, Jun 7, 1984	@ Kansas City Royals	7	7-0, Bot 5th	8-9
12	Sun, Jul 31, 2016	@ Chicago Cubs	6	6-0, Bot 5th	6-7
	Thu, Aug 1, 2013	@ Boston Red Sox	6	7-1, Bot 8th	7-8
	Sun, May 9, 2004	vs New York Yankees	6	6-0, Top 4th	6-7
	Wed, May 20, 1998	@ Texas Rangers	6	6-0, Bot 5th	7-8
	Tue, Mar 31, 1998	vs Cleveland Indians	6	9-3, Top 6th	9-10
	Sat, Jul 19, 1997	vs Kansas City Royals	6	6-0, Top 8th	6-9
	Tue, May 27, 1997	@ Minnesota Twins	6	10-4, Bot 8th	10-11
	Thu, Jul 14, 1994	vs New York Yankees	6	7-1, Top 6th	8-13
	Fri, May 8, 1992	vs Detroit Tigers	6	6-0, Top 8th	6-7
	Thu, May 7, 1992	vs Toronto Blue Jays	6	7-1, Top 7th	7-8
	Sat, Sep 19, 1987	@ Chicago White Sox	6	6-0, Bot 4th	8-10
	Sat, Jul 2, 1983	@ Toronto Blue Jays	6	6-0, Bot 3rd	6-7
	Sun, Aug 30, 1981	@ Cleveland Indians	6	10-4, Bot 7th	11-17
25	Sat, May 21, 2022	@ Boston Red Sox	5	5-0, Bot 3rd	5-6
	Thu, Apr 21, 2022	vs Texas Rangers	5	5-0, Top 2nd	6-8
	Fri, Mar 29, 2019	vs Boston Red Sox	5	6-1, Top 5th	6-7
	Fri, Jun 22, 2018	@ Boston Red Sox	5	10-5, Bot 5th	10-14
	Wed, Jun 20, 2018	@ New York Yankees	5	5-0, Bot 5th	5-7
	Wed, Apr 12, 2017	vs Houston Astros	5	5-0, Top 4th	5-10
	Sun, Aug 21, 2016	vs Milwaukee Brewers	5	6-1, Top 6th	6-7
	Mon, Aug 24, 2015	vs Oakland Athletics	5	5-0, Top 5th	5-11
	Thu, Sep 5, 2013	@ Kansas City Royals	5	5-0, Bot 5th	6-7
	Fri, Aug 10, 2012	@ Los Angeles Angels of Anaheim	5	5-0, Bot 3rd	5-6
	Tue, Aug 7, 2012	@ Baltimore Orioles	5	7-2, Bot 6th	7-8
	Tue, Jun 21, 2011	@ Washington Nationals	5	5-0, Bot 6th	5-6
	Sun, May 30, 2010	@ Los Angeles Angels of Anaheim	5	7-2, Bot 5th	7-9
	Sat, Aug 9, 2008	vs Tampa Bay Rays	5	5-0, Top 3rd	7-8
	Mon, May 12, 2008	@ Texas Rangers	5	5-0, Bot 1st	12-13
	Thu, Apr 24, 2008	vs Baltimore Orioles	5	5-0, Top 4th	7-8
	Tue, Aug 28, 2007	vs Los Angeles Angels of Anaheim	5	5-0, Top 3rd	6-10
	Thu, May 3, 2007	@ Boston Red Sox	5	5-0, Bot 2nd	7-8
	Sat, Sep 23, 2006	@ Chicago White Sox	5	7-2, Bot 6th	7-11
	Sat, Sep 17, 2005	@ Texas Rangers	5	5-0, Bot 2nd	6-7
	Wed, Sep 7, 2005	@ Oakland Athletics	5	6-1, Bot 5th	7-8
	Wed, May 11, 2005	@ New York Yankees	5	5-0, Bot 1st	9-13
	Sat, Jul 31, 2004	@ Anaheim Angels	5	5-0, Bot 4th	8-9
	Mon, Jul 26, 2004	@ Oakland Athletics	5	5-0, Bot 4th	5-14
	Sat, Apr 19, 2003	@ Anaheim Angels	5	6-1, Bot 4th	6-7
	Fri, May 31, 2002	@ Baltimore Orioles	5	5-0, Bot 4th	7-8
	Fri, May 12, 2000	@ Oakland Athletics	5	5-0, Bot 4th	7-9
	Thu, Jun 24, 1999	vs Anaheim Angels	5	7-2, Top 5th	7-12
	Mon, Jun 14, 1999	@ Detroit Tigers	5	6-1, Bot 4th	7-8
	Thu, May 21, 1998	@ Texas Rangers	5	7-2, Bot 6th	8-9
	Fri, Apr 10, 1998	@ Boston Red Sox	5	7-2, Bot 9th	7-9
	Wed, Jul 30, 1997	@ Boston Red Sox	5	7-2, Bot 8th	7-8
	Mon, Sep 2, 1996	vs Boston Red Sox	5	5-0, Top 5th	8-9
	Wed, Aug 30, 1995	@ Boston Red Sox	5	5-0, Bot 4th	6-7
	Sat, Apr 9, 1994	@ Toronto Blue Jays	5	5-0, Bot 5th	6-8
	Sun, Jul 18, 1993	@ Boston Red Sox	5	6-1, Bot 7th	6-7
	Sun, Apr 26, 1992	@ California Angels	5	5-0, Bot 4th	5-7
	Mon, Apr 6, 1992	vs Texas Rangers	5	8-3, Top 8th	10-12
	Sat, Sep 7, 1991	@ Boston Red Sox	5	5-0, Bot 1st	10-11
	Sun, Apr 14, 1991	@ Oakland Athletics	5	5-0, Bot 3rd	6-7
	Mon, Aug 20, 1990	@ Texas Rangers	5	5-0, Bot 5th	5-6
	Fri, May 11, 1990	vs New York Yankees	5	5-0, Top 4th	5-8
	Sat, Apr 21, 1990	@ Oakland Athletics	5	6-1, Bot 6th	6-7
	Fri, Sep 29, 1989	vs Minnesota Twins	5	7-2, Top 5th	7-10
	Tue, Jun 20, 1989	vs Baltimore Orioles	5	5-0, Top 3rd	6-8
	Sat, Jul 18, 1987	@ Detroit Tigers	5	6-1, Bot 3rd	6-10
	Fri, Jun 12, 1987	vs Cleveland Indians	5	5-0, Top 5th	6-10
	Fri, Oct 3, 1986	@ Cleveland Indians	5	5-0, Bot 7th	5-6
	Mon, Aug 2, 1982	@ Oakland Athletics	5	5-0, Bot 6th	5-6
	Sat, Jul 3, 1982	@ Chicago White Sox	5	5-0, Bot 3rd	6-7
	Wed, Jun 3, 1981	@ Kansas City Royals	5	5-0, Bot 4th	9-12
	Tue, Sep 25, 1979	@ Milwaukee Brewers	5	5-0, Bot 3rd	6-7
	Wed, Jun 14, 1978	@ New York Yankees	5	6-1, Bot 4th	9-11
	Wed, Sep 14, 1977	vs Milwaukee Brewers	5	5-0, Top 3rd	5-8

What is the biggest 9th inning collapse in Seattle Mariners history?

The largest 9th inning collapse in the history of the Seattle Mariners is 6 runs. On Apr 9, 2017, the Mariners were leading 9-3 in the bottom of the 9th inning against the Los Angeles Angels, and lost the lead and the game 9-10.

Biggest All Time Seattle Mariners Blown Leads

What is the biggest Seattle Mariners blown lead of all time?

Biggest Seattle Mariners Collapses

What is the biggest 9th inning collapse in Seattle Mariners history?