Seattle Mariners 2023 Schedule

2023 · 88-74 overall · 78-84 ATS · 162 games

The Seattle Mariners are 88-74 in 2023 across 162 games, going 78-84 against the spread (48% cover rate). Closing lines from DraftKings, FanDuel, and BetMGM, graded against official MLB box scores.

See methodology.

Date	Opponent	Score	ATS	ML	O/U
2023-10-01	vs Rangers	W 1-0	✓	W	U
2023-09-30	vs Rangers	L 1-6	✗	L	U
2023-09-29	vs Rangers	W 8-0	✓	W	P
2023-09-28	vs Rangers	W 3-2	✗	W	U
2023-09-27	vs Astros	L 3-8	✗	L	O
2023-09-26	vs Astros	W 6-2	✓	W	O
2023-09-25	vs Astros	L 1-5	✗	L	U
2023-09-24	@ Rangers	L 9-8	✓	L	O
2023-09-23	@ Rangers	L 2-0	✗	L	U
2023-09-22	@ Rangers	L 8-5	✗	L	O
2023-09-20	@ Athletics	W 3-6	✓	W	O
2023-09-19	@ Athletics	W 2-7	✓	W	O
2023-09-18	@ Athletics	W 0-5	✓	W	U
2023-09-17	vs Dodgers	L 1-6	✗	L	U
2023-09-16	vs Dodgers	L 2-6	✗	L	U
2023-09-15	vs Dodgers	L 3-6	✗	L	O
2023-09-13	vs Angels	W 3-2	✗	W	U
2023-09-12	vs Angels	W 8-0	✓	W	O
2023-09-11	vs Angels	L 5-8	✗	L	O
2023-09-10	@ Rays	L 6-3	✗	L	O
2023-09-09	@ Rays	L 7-5	✗	L	O
2023-09-08	@ Rays	L 7-4	✗	L	O
2023-09-07	@ Rays	W 0-1	✗	W	U
2023-09-06	@ Reds	W 4-8	✓	W	O
2023-09-05	@ Reds	L 7-6	✗	L	O
2023-09-04	@ Reds	L 6-3	✗	L	U
2023-09-03	@ Mets	L 6-3	✗	L	P
2023-09-02	@ Mets	W 7-8	✗	W	O
2023-09-01	@ Mets	L 2-1	✗	L	U
2023-08-30	vs Athletics	W 5-4	✗	W	O
2023-08-29	vs Athletics	L 1-3	✗	L	U
2023-08-28	vs Athletics	W 7-0	✓	W	U
2023-08-27	vs Royals	W 3-2	✗	W	U
2023-08-26	vs Royals	W 15-2	✓	W	O
2023-08-25	vs Royals	W 7-5	✓	W	O
2023-08-23	@ White Sox	L 5-4	✗	L	U
2023-08-22	@ White Sox	W 3-6	✓	W	O
2023-08-21	@ White Sox	W 2-14	✓	W	O
2023-08-20	@ Astros	W 6-7	✓	W	O
2023-08-19	@ Astros	W 3-10	✓	W	O
2023-08-18	@ Astros	W 0-2	✓	W	U
2023-08-17	@ Royals	W 4-6	✓	W	O
2023-08-16	@ Royals	W 5-6	✗	W	O
2023-08-15	@ Royals	W 8-10	✓	W	O
2023-08-14	@ Royals	L 7-6	✗	L	O
2023-08-13	vs Orioles	L 3-5	✗	L	P
2023-08-12	vs Orioles	L 0-1	✗	L	U
2023-08-11	vs Orioles	W 9-2	✓	W	O
2023-08-09	vs Padres	W 6-1	✓	W	U
2023-08-08	vs Padres	W 2-0	✓	W	U
2023-08-06	@ Angels	W 2-3	✓	W	U
2023-08-05	@ Angels	W 2-3	✗	W	U
2023-08-04	@ Angels	W 7-9	✓	W	O
2023-08-03	@ Angels	W 3-5	✓	W	U
2023-08-02	vs Red Sox	W 6-3	✓	W	O
2023-08-01	vs Red Sox	L 4-6	✗	L	O
2023-07-31	vs Red Sox	W 6-2	✓	W	O
2023-07-30	@ Diamondbacks	W 0-4	✓	W	U
2023-07-29	@ Diamondbacks	L 4-3	✗	L	U
2023-07-28	@ Diamondbacks	W 2-5	✓	W	U
2023-07-26	@ Twins	W 7-8	✓	W	O
2023-07-25	@ Twins	W 7-9	✓	W	O
2023-07-24	@ Twins	L 4-3	✗	L	U
2023-07-23	vs Blue Jays	L 3-4	✗	L	U
2023-07-22	vs Blue Jays	W 9-8	✓	W	O
2023-07-21	vs Blue Jays	W 3-2	✓	W	U
2023-07-20	vs Twins	W 5-0	✓	W	U
2023-07-19	vs Twins	L 3-6	✗	L	O
2023-07-18	vs Twins	L 3-10	✗	L	O
2023-07-17	vs Twins	W 7-6	✗	W	O
2023-07-16	vs Tigers	W 2-0	✓	W	U
2023-07-15	vs Tigers	L 0-6	✗	L	U
2023-07-14	vs Tigers	L 4-5	✗	L	O
2023-07-09	@ Astros	W 1-3	✓	W	U
2023-07-08	@ Astros	L 3-2	✓	L	U
2023-07-07	@ Astros	W 1-10	✓	W	O
2023-07-06	@ Astros	W 1-5	✓	W	U
2023-07-05	@ Giants	L 2-0	✗	L	U
2023-07-04	@ Giants	W 0-6	✓	W	U
2023-07-03	@ Giants	W 5-6	✓	W	O
2023-07-02	vs Rays	W 7-6	✗	W	O
2023-07-01	vs Rays	W 8-3	✓	W	O
2023-06-30	vs Rays	L 4-15	✗	L	O
2023-06-28	vs Nationals	L 1-4	✗	L	U
2023-06-27	vs Nationals	L 4-7	✗	L	O
2023-06-26	vs Nationals	W 8-4	✓	W	O
2023-06-25	@ Orioles	L 3-2	✗	L	U
2023-06-24	@ Orioles	L 6-4	✗	L	O
2023-06-23	@ Orioles	W 1-13	✓	W	O
2023-06-22	@ Yankees	W 2-10	✓	W	O
2023-06-21	@ Yankees	L 4-2	✗	L	U
2023-06-20	@ Yankees	L 3-1	✗	L	U
2023-06-18	vs White Sox	W 5-1	✓	W	U
2023-06-17	vs White Sox	L 3-4	✗	L	P
2023-06-16	vs White Sox	W 3-2	✗	W	U
2023-06-14	vs Marlins	L 1-4	✗	L	U
2023-06-13	vs Marlins	W 9-3	✓	W	O
2023-06-12	vs Marlins	W 8-1	✓	W	O
2023-06-11	@ Angels	L 9-4	✗	L	O
2023-06-10	@ Angels	W 2-6	✓	W	U
2023-06-09	@ Angels	L 5-4	✓	L	O
2023-06-07	@ Padres	L 10-3	✗	L	O
2023-06-06	@ Padres	W 1-4	✓	W	U
2023-06-04	@ Rangers	L 12-3	✗	L	O
2023-06-03	@ Rangers	L 16-6	✗	L	O
2023-06-02	@ Rangers	L 2-0	✗	L	U
2023-05-31	vs Yankees	W 1-0	✗	W	U
2023-05-30	vs Yankees	L 2-10	✗	L	O
2023-05-29	vs Yankees	L 4-10	✗	L	O
2023-05-28	vs Pirates	W 6-3	✓	W	O
2023-05-27	vs Pirates	W 5-0	✓	W	U
2023-05-26	vs Pirates	L 6-11	✗	L	O
2023-05-25	vs Athletics	W 3-2	✗	W	U
2023-05-24	vs Athletics	W 6-1	✓	W	U
2023-05-23	vs Athletics	W 3-2	✗	W	U
2023-05-22	vs Athletics	W 11-2	✓	W	O
2023-05-21	@ Braves	L 3-2	✓	L	U
2023-05-20	@ Braves	W 3-7	✓	W	O
2023-05-19	@ Braves	L 6-2	✗	L	U
2023-05-17	@ Red Sox	L 12-3	✗	L	O
2023-05-16	@ Red Sox	L 9-4	✗	L	O
2023-05-15	@ Red Sox	W 1-10	✓	W	O
2023-05-14	@ Tigers	L 5-3	✗	L	U
2023-05-13	@ Tigers	W 0-5	✓	W	U
2023-05-12	@ Tigers	W 2-9	✓	W	O
2023-05-10	vs Rangers	L 3-4	✗	L	U
2023-05-09	vs Rangers	W 5-0	✓	W	U
2023-05-08	vs Rangers	L 1-2	✗	L	U
2023-05-07	vs Astros	W 3-1	✓	W	U
2023-05-06	vs Astros	W 7-5	✓	W	O
2023-05-05	vs Astros	L 4-6	✗	L	O
2023-05-04	@ Athletics	W 3-5	✓	W	U
2023-05-03	@ Athletics	W 2-7	✓	W	O
2023-05-02	@ Athletics	W 1-2	✗	W	U
2023-04-30	@ Blue Jays	W 8-10	✓	W	O
2023-04-29	@ Blue Jays	L 1-0	✓	L	U
2023-04-28	@ Blue Jays	L 3-2	✗	L	U
2023-04-27	@ Phillies	L 1-0	✓	L	U
2023-04-26	@ Phillies	L 6-5	✗	L	O
2023-04-25	@ Phillies	W 3-5	✓	W	U
2023-04-23	vs Cardinals	L 3-7	✗	L	O
2023-04-22	vs Cardinals	W 5-4	✗	W	O
2023-04-21	vs Cardinals	W 5-2	✓	W	U
2023-04-19	vs Brewers	L 3-5	✗	L	U
2023-04-18	vs Brewers	L 5-6	✗	L	O
2023-04-17	vs Brewers	L 3-7	✗	L	O
2023-04-16	vs Rockies	W 1-0	✗	W	U
2023-04-15	vs Rockies	W 9-2	✓	W	O
2023-04-14	vs Rockies	W 5-3	✓	W	U
2023-04-12	@ Cubs	W 2-5	✓	W	U
2023-04-11	@ Cubs	L 14-9	✗	L	O
2023-04-10	@ Cubs	L 3-2	✗	L	U
2023-04-09	@ Guardians	L 7-6	✗	L	O
2023-04-08	@ Guardians	W 2-3	✓	W	U
2023-04-07	@ Guardians	W 3-5	✓	W	O
2023-04-05	vs Angels	L 3-4	✓	L	U
2023-04-04	vs Angels	W 11-2	✓	W	O
2023-04-03	vs Angels	L 3-7	✗	L	O
2023-04-02	vs Guardians	L 5-6	✗	L	O
2023-04-01	vs Guardians	L 0-2	✗	L	U
2023-03-31	vs Guardians	L 4-9	✗	L	O
2023-03-30	vs Guardians	W 3-0	✓	W	U