2023 Seattle Mariners

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2023 Schedule

Probable starters are italicized.

Date		Opp	SEA Win Prob	W/L	SEA Runs	Opp Runs	SEA Starter	Opp Starter
Mar 30, 20233/30	vs	CLE	55.9%	W	3	0	Luis Castillo	Shane Bieber
Mar 31, 20233/31	vs	CLE	57.3%	L	4	9	Robbie Ray	Hunter Gaddis
Apr 1, 20234/1	vs	CLE	55.8%	L	0	2	Logan Gilbert	Aaron Civale
Apr 2, 20234/2	vs	CLE	51.3%	L	5	6	Marco Gonzales	Cal Quantrill
Apr 3, 20234/3	vs	LAA	56.7%	L	3	7	George Kirby	Reid Detmers
Apr 4, 20234/4	vs	LAA	63.9%	W	11	2	Luis Castillo	José Suarez
Apr 5, 20234/5	vs	LAA	41.6%	L	3	4	Chris Flexen	Shohei Ohtani
Apr 7, 20234/7	at	CLE	46.6%	W	5	3	Logan Gilbert	Aaron Civale
Apr 8, 20234/8	at	CLE	42.9%	W	3	2	Marco Gonzales	Cal Quantrill
Apr 9, 20234/9	at	CLE	53.0%	L	6	7	George Kirby	Zach Plesac
Apr 10, 20234/10	at	CHC	60.0%	L	2	3	Luis Castillo	Drew Smyly
Apr 11, 20234/11	at	CHC	47.1%	L	9	14	Chris Flexen	Hayden Wesneski
Apr 12, 20234/12	at	CHC	49.1%	W	5	2	Logan Gilbert	Marcus Stroman
Apr 14, 20234/14	vs	COL	59.6%	W	5	3	Tommy Milone	Austin Gomber
Apr 15, 20234/15	vs	COL	66.5%	W	9	2	George Kirby	Ryan Feltner
Apr 16, 20234/16	vs	COL	73.6%	W	1	0	Luis Castillo	Noah Davis
Apr 17, 20234/17	vs	MIL	42.7%	L	3	7	Chris Flexen	Corbin Burnes
Apr 18, 20234/18	vs	MIL	57.0%	L	5	6	Logan Gilbert	Colin Rea
Apr 19, 20234/19	vs	MIL	53.7%	L	3	5	Marco Gonzales	Eric Lauer
Apr 21, 20234/21	vs	STL	53.0%	W	5	2	George Kirby	Steven Matz
Apr 22, 20234/22	vs	STL	57.9%	W	5	4	Luis Castillo	Miles Mikolas
Apr 23, 20234/23	vs	STL	47.7%	L	3	7	Chris Flexen	Jack Flaherty
Apr 25, 20234/25	at	PHI	42.6%	W	5	3	Marco Gonzales	Bailey Falter
Apr 26, 20234/26	at	PHI	49.3%	L	5	6	Logan Gilbert	Taijuan Walker
Apr 27, 20234/27	at	PHI	47.7%	L	0	1	George Kirby	Matt Strahm
Apr 28, 20234/28	at	TOR	46.0%	L	2	3	Luis Castillo	Alek Manoah
Apr 29, 20234/29	at	TOR	33.8%	L	0	1	Easton McGee	Kevin Gausman
Apr 30, 20234/30	at	TOR	36.0%	W	10	8	Marco Gonzales	Chris Bassitt
May 2, 20235/2	at	OAK	41.8%	W	2	1	Bryce Miller	Mason Miller
May 3, 20235/3	at	OAK	52.4%	W	7	2	Logan Gilbert	JP Sears
May 4, 20235/4	at	OAK	57.8%	W	5	3	George Kirby	Drew Rucinski
May 5, 20235/5	vs	HOU	56.6%	L	4	6	Luis Castillo	Cristian Javier
May 6, 20235/6	vs	HOU	43.8%	W	7	5	Marco Gonzales	J.P. France
May 7, 20235/7	vs	HOU	55.2%	W	3	1	Bryce Miller	Brandon Bielak
May 8, 20235/8	vs	TEX	57.8%	L	1	2	Logan Gilbert	Jon Gray
May 9, 20235/9	vs	TEX	57.4%	W	5	0	George Kirby	Andrew Heaney
May 10, 20235/10	vs	TEX	63.8%	L	3	4	Luis Castillo	Dane Dunning
May 12, 20235/12	at	DET	48.8%	W	9	2	Marco Gonzales	Matthew Boyd
May 13, 20235/13	at	DET	58.8%	W	5	0	Bryce Miller	Alex Faedo
May 14, 20235/14	at	DET	58.3%	L	3	5	Logan Gilbert	Joey Wentz
May 15, 20235/15	at	BOS	48.8%	W	10	1	George Kirby	Tanner Houck
May 16, 20235/16	at	BOS	55.3%	L	4	9	Luis Castillo	Nick Pivetta
May 17, 20235/17	at	BOS	39.6%	L	3	12	Marco Gonzales	Brayan Bello
May 19, 20235/19	at	ATL	42.6%	L	2	6	Bryce Miller	Bryce Elder
May 20, 20235/20	at	ATL	42.6%	W	7	3	Logan Gilbert	Jesse Chavez
May 21, 20235/21	at	ATL	49.2%	L	2	3	George Kirby	Jared Shuster
May 22, 20235/22	vs	OAK	65.7%	W	11	2	Luis Castillo	Kyle Muller
May 23, 20235/23	vs	OAK	58.8%	W	3	2	Marco Gonzales	Luis Medina
May 24, 20235/24	vs	OAK	62.4%	W	6	1	Bryce Miller	Austin Pruitt
May 25, 20235/25	vs	OAK	62.2%	W	3	2	Logan Gilbert	JP Sears
May 26, 20235/26	vs	PIT	59.5%	L	6	11	George Kirby	Mitch Keller
May 27, 20235/27	vs	PIT	66.7%	W	5	0	Luis Castillo	Vince Velasquez
May 28, 20235/28	vs	PIT	55.4%	W	6	3	Marco Gonzales	Luis L. Ortiz
May 29, 20235/29	vs	NYY	56.2%	L	4	10	Bryce Miller	Domingo Germán
May 30, 20235/30	vs	NYY	54.3%	L	2	10	Logan Gilbert	Nestor Cortes
May 31, 20235/31	vs	NYY	55.9%	W	1	0	George Kirby	Clarke Schmidt
Jun 2, 20236/2	at	TEX	53.9%	L	0	2	Luis Castillo	Jon Gray
Jun 3, 20236/3	at	TEX	46.4%	L	6	16	Bryan Woo	Andrew Heaney
Jun 4, 20236/4	at	TEX	42.7%	L	3	12	Bryce Miller	Nathan Eovaldi
Jun 6, 20236/6	at	SDP	41.6%	W	4	1	Logan Gilbert	Joe Musgrove
Jun 7, 20236/7	at	SDP	49.2%	L	3	10	George Kirby	Michael Wacha
Jun 9, 20236/9	at	LAA	46.3%	L	4	5	Luis Castillo	Shohei Ohtani
Jun 10, 20236/10	at	LAA	46.4%	W	6	2	Bryan Woo	Patrick Sandoval
Jun 11, 20236/11	at	LAA	50.6%	L	4	9	Logan Gilbert	Griffin Canning
Jun 12, 20236/12	vs	MIA	53.1%	W	8	1	Bryce Miller	Jesús Luzardo
Jun 13, 20236/13	vs	MIA	59.1%	W	9	3	George Kirby	Edward Cabrera
Jun 14, 20236/14	vs	MIA	63.1%	L	1	4	Luis Castillo	Eury Pérez
Jun 16, 20236/16	vs	CHW	58.7%	W	3	2	Bryan Woo	Michael Kopech
Jun 17, 20236/17	vs	CHW	57.0%	L	3	4	Logan Gilbert	Lucas Giolito
Jun 18, 20236/18	vs	CHW	57.7%	W	5	1	Bryce Miller	Lance Lynn
Jun 20, 20236/20	at	NYY	46.2%	L	1	3	George Kirby	Gerrit Cole
Jun 21, 20236/21	at	NYY	58.1%	L	2	4	Luis Castillo	Jhony Brito
Jun 22, 20236/22	at	NYY	50.1%	W	10	2	Bryan Woo	Domingo Germán
Jun 23, 20236/23	at	BAL	50.1%	W	13	1	Logan Gilbert	Kyle Gibson
Jun 24, 20236/24	at	BAL	47.6%	L	4	6	Bryce Miller	Dean Kremer
Jun 25, 20236/25	at	BAL	52.6%	L	2	3	George Kirby	Kyle Bradish
Jun 26, 20236/26	vs	WSN	71.4%	W	8	4	Luis Castillo	Trevor Williams
Jun 27, 20236/27	vs	WSN	66.0%	L	4	7	Bryan Woo	Jake Irvin
Jun 28, 20236/28	vs	WSN	68.6%	L	1	4	Logan Gilbert	Patrick Corbin
Jun 30, 20236/30	vs	TBR	46.9%	L	4	15	Bryce Miller	Shane McClanahan
Jul 1, 20237/1	vs	TBR	50.4%	W	8	3	George Kirby	Tyler Glasnow
Jul 2, 20237/2	vs	TBR	57.8%	W	7	6	Luis Castillo	Taj Bradley
Jul 3, 20237/3	at	SFG	44.6%	W	6	5	Bryan Woo	Logan Webb
Jul 4, 20237/4	at	SFG	49.0%	W	6	0	Logan Gilbert	Keaton Winn
Jul 5, 20237/5	at	SFG	36.1%	L	0	2	Tommy Milone	Alex Cobb
Jul 6, 20237/6	at	HOU	55.1%	W	5	1	George Kirby	Ronel Blanco
Jul 7, 20237/7	at	HOU	46.6%	W	10	1	Luis Castillo	Hunter Brown
Jul 8, 20237/8	at	HOU	39.3%	L	2	3	Bryan Woo	Framber Valdez
Jul 9, 20237/9	at	HOU	51.6%	W	3	1	Logan Gilbert	Brandon Bielak
Jul 14, 20237/14	vs	DET	62.6%	L	4	5	Luis Castillo	Eduardo Rodriguez
Jul 15, 20237/15	vs	DET	62.2%	L	0	6	George Kirby	Michael Lorenzen
Jul 16, 20237/16	vs	DET	59.2%	W	2	0	Bryce Miller	Reese Olson
Jul 17, 20237/17	vs	MIN	52.8%	W	7	6	Logan Gilbert	Sonny Gray
Jul 18, 20237/18	vs	MIN	57.4%	L	3	10	Bryan Woo	Bailey Ober
Jul 19, 20237/19	vs	MIN	60.3%	L	3	6	Luis Castillo	Kenta Maeda
Jul 20, 20237/20	vs	MIN	55.5%	W	5	0	George Kirby	Pablo López
Jul 21, 20237/21	vs	TOR	55.8%	W	3	2	Bryce Miller	Yusei Kikuchi
Jul 22, 20237/22	vs	TOR	47.7%	W	9	8	Logan Gilbert	Kevin Gausman
Jul 23, 20237/23	vs	TOR	52.1%	L	3	4	Bryan Woo	Alek Manoah
Jul 24, 20237/24	at	MIN	51.7%	L	3	4	Luis Castillo	Kenta Maeda
Jul 25, 20237/25	at	MIN	47.1%	W	9	7	George Kirby	Pablo López
Jul 26, 20237/26	at	MIN	45.9%	W	8	7	Bryce Miller	Joe Ryan
Jul 28, 20237/28	at	ARI	53.0%	W	5	2	Logan Gilbert	Tommy Henry
Jul 29, 20237/29	at	ARI	48.7%	L	3	4	Bryan Woo	Brandon Pfaadt
Jul 30, 20237/30	at	ARI	52.5%	W	4	0	Luis Castillo	Merrill Kelly
Jul 31, 20237/31	vs	BOS	60.1%	W	6	2	George Kirby	Nick Pivetta
Aug 1, 20238/1	vs	BOS	54.2%	L	4	6	Bryce Miller	Brayan Bello
Aug 2, 20238/2	vs	BOS	59.0%	W	6	3	Logan Gilbert	Kutter Crawford
Aug 3, 20238/3	at	LAA	41.3%	W	5	3	Bryan Woo	Shohei Ohtani
Aug 4, 20238/4	at	LAA	51.2%	W	9	7	Luis Castillo	Reid Detmers
Aug 5, 20238/5	at	LAA	56.1%	W	3	2	George Kirby	Tyler Anderson
Aug 6, 20238/6	at	LAA	47.7%	W	3	2	Bryce Miller	Chase Silseth
Aug 8, 20238/8	vs	SDP	50.4%	W	2	0	Logan Gilbert	Nick Martinez
Aug 9, 20238/9	vs	SDP	48.7%	W	6	1	Emerson Hancock	Yu Darvish
Aug 11, 20238/11	vs	BAL	60.1%	W	9	2	Luis Castillo	Kyle Gibson
Aug 12, 20238/12	vs	BAL	62.7%	L	0	1	George Kirby	Cole Irvin
Aug 13, 20238/13	vs	BAL	55.6%	L	3	5	Bryce Miller	Kyle Bradish
Aug 14, 20238/14	at	KCR	52.9%	L	6	7	Logan Gilbert	Brady Singer
Aug 15, 20238/15	at	KCR	54.1%	W	10	8	Emerson Hancock	Jordan Lyles
Aug 16, 20238/16	at	KCR	59.4%	W	6	5	Luis Castillo	James McArthur
Aug 17, 20238/17	at	KCR	57.3%	W	6	4	George Kirby	Angel Zerpa
Aug 18, 20238/18	at	HOU	45.9%	W	2	0	Bryce Miller	J.P. France
Aug 19, 20238/19	at	HOU	38.8%	W	10	3	Logan Gilbert	Framber Valdez
Aug 20, 20238/20	at	HOU	34.6%	W	7	6	Emerson Hancock	Hunter Brown
Aug 21, 20238/21	at	CHW	59.0%	W	14	2	Luis Castillo	Touki Toussaint
Aug 22, 20238/22	at	CHW	54.6%	W	6	3	Bryan Woo	Mike Clevinger
Aug 23, 20238/23	at	CHW	61.8%	L	4	5	George Kirby	Michael Kopech
Aug 25, 20238/25	vs	KCR	59.7%	W	7	5	Bryce Miller	Brady Singer
Aug 26, 20238/26	vs	KCR	69.5%	W	15	2	Logan Gilbert	Jordan Lyles
Aug 27, 20238/27	vs	KCR	70.8%	W	3	2	Luis Castillo	Alec Marsh
Aug 28, 20238/28	vs	OAK	64.5%	W	7	0	Bryan Woo	Kyle Muller
Aug 29, 20238/29	vs	OAK	68.4%	L	1	3	Luke Weaver	Ken Waldichuk
Aug 30, 20238/30	vs	OAK	63.2%	W	5	4	Bryce Miller	Zach Neal
Sep 1, 20239/1	at	NYM	42.0%	L	1	2	Logan Gilbert	Kodai Senga
Sep 2, 20239/2	at	NYM	53.0%	W	8	7	Luis Castillo	David Peterson
Sep 3, 20239/3	at	NYM	53.5%	L	3	6	George Kirby	Tylor Megill
Sep 4, 20239/4	at	CIN	52.9%	L	3	6	Bryan Woo	Tejay Antone
Sep 5, 20239/5	at	CIN	48.1%	L	6	7	Bryce Miller	Connor Phillips
Sep 6, 20239/6	at	CIN	53.6%	W	8	4	Logan Gilbert	Lyon Richardson
Sep 7, 20239/7	at	TBR	51.6%	W	1	0	Luis Castillo	Zack Littell
Sep 8, 20239/8	at	TBR	50.3%	L	4	7	George Kirby	Taj Bradley
Sep 9, 20239/9	at	TBR	42.2%	L	5	7	Trent Thornton	Aaron Civale
Sep 10, 20239/10	at	TBR	42.9%	L	3	6	Bryce Miller	Zach Eflin
Sep 11, 20239/11	vs	LAA	62.3%	L	5	8	Logan Gilbert	Reid Detmers
Sep 12, 20239/12	vs	LAA	60.7%	W	8	0	Bryan Woo	Patrick Sandoval
Sep 13, 20239/13	vs	LAA	69.3%	W	3	2	Luis Castillo	Andrew Wantz
Sep 15, 20239/15	vs	LAD	52.9%	L	3	6	George Kirby	Bobby Miller
Sep 16, 20239/16	vs	LAD	49.0%	L	2	6	Bryce Miller	Clayton Kershaw
Sep 17, 20239/17	vs	LAD	60.0%	L	1	6	Logan Gilbert	Shelby Miller
Sep 18, 20239/18	at	OAK	57.9%	W	5	0	Bryan Woo	JP Sears
Sep 19, 20239/19	at	OAK	61.7%	W	7	2	Luis Castillo	Paul Blackburn
Sep 20, 20239/20	at	OAK	57.2%	W	6	3	George Kirby	Joey Estes
Sep 22, 20239/22	at	TEX	49.0%	L	5	8	Bryce Miller	Dane Dunning
Sep 23, 20239/23	at	TEX	47.0%	L	0	2	Logan Gilbert	Jordan Montgomery
Sep 24, 20239/24	at	TEX	45.6%	L	8	9	Bryan Woo	Nathan Eovaldi
Sep 25, 20239/25	vs	HOU	51.7%	L	1	5	Luis Castillo	Justin Verlander
Sep 26, 20239/26	vs	HOU	53.3%	W	6	2	George Kirby	Cristian Javier
Sep 27, 20239/27	vs	HOU	44.3%	L	3	8	Bryce Miller	Framber Valdez
Sep 28, 20239/28	vs	TEX	54.1%	W	3	2	Logan Gilbert	Jordan Montgomery
Sep 29, 20239/29	vs	TEX	53.2%	W	8	0	Bryan Woo	Nathan Eovaldi
Sep 30, 20239/30	vs	TEX	58.1%	L	1	6	Luis Castillo	Andrew Heaney
Oct 1, 202310/1	vs	TEX	58.7%	W	1	0	George Kirby	Dane Dunning