Seattle Mariners Opening Day History

The Seattle Mariners Opening Day history by Baseball Almanac is a comprehensive list of each Opening Day game played by the franchise, every opponent faced, the exact date of the game played, a final score, the official decision, team splits, and box scores.
Baseball Almanac Top Quote

"Over 162 games, if my big guys are hitting and we get even halfway decent pitching, we'll beat their (our opponents) brains out." - Cincinnati Reds' Manager Sparky Anderson

Seattle Mariners

Opening Day History

1 04-06-1977 vs California Angels 0-7 L 0-1
2 04-05-1978 vs Minnesota Twins 3-2 W 1-1
3 04-04-1979 vs California Angels 5-4 W 2-1
4 04-09-1980 vs Toronto Blue Jays 8-6 W 3-1
5 04-09-1981 vs California Angels 2-6 L 3-2
6 04-16-1982 vs Oakland Athletics 5-0 W 4-2
7 04-05-1983 vs New York Yankees 5-4 W 5-2
8 04-04-1984 vs Toronto Blue Jays 3-2 W 6-2
9 04-09-1985 vs Oakland Athletics 6-3 W 7-2
10 04-08-1986 vs California Angels 8-4 W 8-2
11 04-10-1987 vs Minnesota Twins 1-8 L 8-3
12 04-12-1988 vs Oakland Athletics 6-4 W 9-3
13 04-10-1989 vs Chicago White Sox 6-5 W 10-3
14 04-13-1990 vs Oakland Athletics 7-15 L 10-4
15 04-09-1991 vs California Angels 2-3 L 10-5
16 04-06-1992 vs Texas Rangers 10-12 L 10-6
17 04-06-1993 vs Toronto Blue Jays 8-1 W 11-6
18 04-11-1994 vs Minnesota Twins 9-8 W 12-6
19 04-27-1995 vs Detroit Tigers 3-0 W 13-6
20 03-31-1996 vs Chicago White Sox 3-2 W 14-6
21 04-01-1997 vs New York Yankees 4-2 W 15-6
22 03-31-1998 vs Cleveland Indians 9-10 L 15-7
23 04-05-1999 vs Chicago White Sox 2-8 L 15-8
24 04-04-2000 vs Boston Red Sox 0-2 L 15-9
25 04-02-2001 vs Oakland Athletics 5-4 W 16-9
26 04-01-2002 vs Chicago White Sox 5-6 L 16-10
27 04-08-2003 vs Anaheim Angels 5-0 W 17-10
28 04-06-2004 vs Anaheim Angels 5-10 L 17-11
29 04-04-2005 vs Minnesota Twins 5-1 W 18-11
30 04-03-2006 vs Los Angeles Angels 4-5 L 18-12
31 04-02-2007 vs Oakland Athletics 4-0 W 19-12
32 03-31-2008 vs Texas Rangers 5-2 W 20-12
33 04-14-2009 vs Los Angeles Angels 3-2 W 21-12
34 04-12-2010 vs Oakland Athletics 0-4 L 21-13
35 04-08-2011 vs Cleveland Indians 3-12 L 21-14
36 04-13-2012 vs Oakland Athletics 0-4 L 21-15
37 04-08-2013 vs Houston Astros 3-0 W 22-15
38 04-08-2014 vs Los Angeles Angels 5-3 W 23-15
39 04-06-2015 vs Los Angeles Angels 4-1 W 24-15
40 04-08-2016 vs Oakland Athletics 2-3 L 24-16
41 04-10-2017 vs Houston Astros 6-0 W 25-16
42 03-29-2018 vs Cleveland Indians 2-1 W 26-16
43 03-28-2019 vs Boston Red Sox 12-4 W 27-16
44 07-31-2020 vs Oakland Athletics 5-3 W 28-16
45 04-01-2021 vs San Francisco Giants 8-7 W 29-16
46 04-15-2022 vs Houston Astros 11-1 W 30-16
47 03-30-2023 vs Cleveland Guardians 3-0 W 31-16

Seattle Mariners Opening Day History

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baseball almanac fast facts

The Seattle Mariners Opening Day history is based upon the first game played at home during the regular season and includes (if applicable) the entire franchise history.

How many Seattle Mariners Opening Day games were played in April? Have they ever played an Opening Day game in March? Have they even been shutout at home on Opening Day? We hope you enjoy using the charts below to review other similar Opening Day splits:

Monthly Opening Day Splits Team vs Team Opening Day Splits
   
Month (Games)WonLostWP Opponent (Games)WonLostWP
March (6)510.833 Anaheim Angels (2)110.500
April (40)25150.625 Boston Red Sox (2)110.500
July (1)101.000 California Angels (5)230.400
  Chicago White Sox (4)220.500
Score Related Opening Day Splits Cleveland Guardians (1)101.000
  Cleveland Indians (3)120.333
Type (Games)WonLostWP Detroit Tigers (1)101.000
Shutouts (11)740.636 Houston Astros (3)301.000
1-Run Games (16)1150.688 Los Angeles Angels (4)310.750
Blowouts (12)660.500 Minnesota Twins (4)310.750
  New York Yankees (2)201.000
  Oakland Athletics (10)640.600
  San Francisco Giants (1)101.000
  Texas Rangers (2)110.500
  Toronto Blue Jays (3)301.000

During their Opening Day history, the Seattle Marinersscored the most runs (12) on March 28, 2019 versus the . The most runs scored against them during an Opening Day game was 15 and it was played on April 13, 1990 versus the .