lowest career era vs the mariners minimum 150 innings pitched since 1969 regular season and playoffs

Since 1969, Dan Haren has the lowest ERA in the regular-season and playoffs when pitching at least 150 innings versus the Mariners, with an ERA of 2.67.

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Data note: Earned Run Average, Innings Pitched: player game data complete from 1901
Data note: Data: Retrosheet

	NAME	ERA	IP	G	W	L	W%	GS	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Dan Haren D. Haren	2.67	158.2	24	12	8	.600	24	134	1	1	0	148	47	60	11	31	3	0	2	654	6	7.60	1.76	4.32	0.62	20.5	4.7	1.13	.288	3.40	8.39
2	CC Sabathia	2.68	201.2	31	16	6	.727	31	188	2	1	0	185	60	63	17	56	7	0	3	832	6	8.39	2.50	3.36	0.76	22.6	6.7	1.20	.298	2.81	8.26
3	Mike Witt M. Witt	2.69	210.2	30	14	7	.667	28	144	12	2	1	179	63	68	13	70	11	2	4	860	6	6.15	2.99	2.06	0.56	16.7	8.1	1.18	.267	2.91	7.65
4	Charlie Hough C. Hough	2.81	231.0	34	9	15	.375	31	123	8	0	0	179	72	88	17	88	10	2	2	951	6	4.79	3.43	1.40	0.66	12.9	9.3	1.16	.227	3.43	6.97
5	Bert Blyleven B. Blyleven	2.86	192.0	27	14	7	.667	26	129	7	5	0	181	61	68	13	49	7	0	4	790	4	6.05	2.30	2.63	0.61	16.3	6.2	1.20	.284	3.19	8.48
6	Mike Flanagan M. Flanagan	2.92	234.0	43	16	7	.696	31	120	8	3	1	204	76	78	18	61	3	4	3	939	4	4.62	2.35	1.97	0.69	12.8	6.5	1.13	.252	3.00	7.85
7	Chuck Finley C. Finley	2.97	236.0	38	19	10	.655	33	190	9	2	0	183	78	88	22	111	4	2	1	968	11	7.25	4.23	1.71	0.84	19.6	11.5	1.25	.251	3.36	6.98
8	Frank Tanana F. Tanana	3.13	284.2	41	18	13	.581	41	164	6	4	0	264	99	110	29	82	6	0	7	1,172	9	5.19	2.59	2.00	0.92	14.0	7.0	1.22	.264	3.48	8.35
9	Roger Clemens R. Clemens	3.16	335.2	46	24	15	.615	46	296	13	5	0	284	118	136	28	113	16	0	6	1,376	11	7.94	3.03	2.62	0.75	21.5	8.2	1.18	.277	3.65	7.61
10	Geoff Zahn G. Zahn	3.17	181.2	27	12	9	.571	27	66	8	1	0	178	64	73	13	50	0	0	2	748	3	3.27	2.48	1.32	0.64	8.8	6.7	1.26	.267	3.62	8.82
11	Dennis Eckersley D. Eckersley	3.17	184.1	68	13	9	.591	18	127	6	1	32	168	65	71	16	36	1	39	3	736	1	6.20	1.76	3.53	0.78	17.3	4.9	1.11	.273	3.47	8.20
12	Kevin Tapani K. Tapani	3.20	163.0	23	9	6	.600	23	93	2	0	0	143	58	61	11	35	5	0	6	656	4	5.13	1.93	2.66	0.61	14.2	5.3	1.09	.258	3.37	7.90
13	Justin Verlander J. Verlander	3.21	266.1	41	22	10	.688	41	280	0	0	0	232	95	98	29	54	5	0	0	1,068	7	9.46	1.82	5.19	0.98	26.2	5.1	1.07	.290	3.31	7.84
14	Tim Hudson T. Hudson	3.24	166.2	25	13	7	.650	25	100	2	1	0	169	60	64	12	59	6	0	5	703	6	5.40	3.19	1.69	0.65	14.2	8.4	1.37	.298	3.46	9.13
15	Martín Pérez M. Pérez	3.30	160.2	32	8	7	.533	27	128	0	0	0	158	59	71	17	69	6	2	0	699	4	7.17	3.87	1.86	0.95	18.3	9.9	1.41	.294	3.98	8.85
16	Jim Clancy J. Clancy	3.35	153.1	25	8	5	.615	22	92	6	1	0	137	57	62	18	51	0	3	1	627	2	5.40	2.99	1.80	1.06	14.7	8.1	1.23	.255	3.64	8.04
17	C.J. Wilson	3.35	188.0	61	16	9	.640	24	167	2	0	7	157	70	79	14	72	9	18	1	784	12	7.99	3.45	2.32	0.67	21.3	9.2	1.22	.274	3.78	7.52
18	Kevin Appier K. Appier	3.39	199.0	31	16	8	.667	31	133	4	1	0	169	75	82	18	81	9	0	4	841	6	6.02	3.66	1.64	0.81	15.8	9.6	1.26	.252	3.71	7.64
19	Jered Weaver J. Weaver	3.46	213.1	34	14	12	.538	34	160	2	1	0	213	82	85	25	50	6	0	1	883	7	6.75	2.11	3.20	1.05	18.1	5.7	1.23	.293	3.59	8.99
20	Dan Petry D. Petry	3.59	170.1	30	8	10	.444	24	99	5	2	0	164	68	82	12	73	3	2	7	724	5	5.23	3.86	1.36	0.63	13.7	10.1	1.39	.283	4.33	8.67
21	Derek Holland D. Holland	3.63	158.2	29	13	6	.684	24	144	1	1	0	147	64	69	21	50	2	0	2	663	2	8.17	2.84	2.88	1.19	21.7	7.5	1.24	.283	3.91	8.34
22	Nolan Ryan N. Ryan	3.63	156.0	23	11	6	.647	23	164	7	2	0	101	63	70	11	86	4	0	1	653	15	9.46	4.96	1.91	0.63	25.1	13.2	1.20	.232	4.04	5.83
23	Mike Mussina M. Mussina	3.69	219.1	33	22	6	.786	32	192	2	0	0	208	90	96	30	47	3	0	0	891	2	7.88	1.93	4.09	1.23	21.5	5.3	1.16	.288	3.94	8.53
24	Colby Lewis C. Lewis	3.70	158.0	27	8	8	.500	23	131	3	0	0	153	65	67	16	48	6	2	1	662	4	7.46	2.73	2.73	0.91	19.8	7.3	1.27	.297	3.82	8.72
25	Dave Stewart D. Stewart	3.75	204.0	32	20	6	.769	28	124	4	2	0	179	85	86	25	81	7	3	2	856	9	5.47	3.57	1.53	1.10	14.5	9.5	1.27	.249	3.79	7.90

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2026 Division Standings

TEAM	W	L	PCT	GB
Astros	81	81	.500
Rangers	80	82	.494	1.0
Mariners	76	86	.469	5.0
Athletics	64	98	.395	17.0
Angels	62	100	.383	19.0

Schedule

DATE	MATCHUP			TIME (ET)
Thu 3/25	ATH	@	PIT	4:00 AM
Fri 3/26	ATH	@	PIT	4:00 AM
Sat 3/27	ATH	@	PIT	4:00 AM
Mon 3/29	ATH	@	NYY	7:05 PM
Tue 3/30	ATH	@	NYY	7:05 PM

Last Game

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81 - 81

Final

Athletics

64 - 98

Sun 27 Sep 2026

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0.00

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Playoffs K/9 Leaders

27.00

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Worst Record ATS

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MLB 2026 Standings

NL East	W	L	PCT	GB
Braves - y	94	68	.580
Phillies - w	88	74	.543	6.0
Marlins	80	82	.494	14.0
Nationals	77	85	.475	17.0
Mets	74	88	.457	20.0
NL Central	W	L	PCT	GB
Brewers - y	103	59	.636
Cubs - w	89	73	.549	14.0
Pirates	82	80	.506	21.0
Cardinals	77	85	.475	26.0
Reds	75	87	.463	28.0
NL West	W	L	PCT	GB
Dodgers - y	100	62	.617
Padres - w	91	71	.562	9.0
Diamondbacks	86	76	.531	14.0
Giants	65	97	.401	35.0
Rockies	58	104	.358	42.0

AL East	W	L	PCT	GB
Rays - y	98	64	.605
Yankees - w	93	68	.578	4.5
Red Sox - w	87	75	.537	11.0
Orioles	79	82	.491	18.5
Blue Jays	79	83	.488	19.0
AL Central	W	L	PCT	GB
Guardians - y	85	77	.525
White Sox - w	84	78	.519	1.0
Twins	77	85	.475	8.0
Tigers	76	86	.469	9.0
Royals	69	93	.426	16.0
AL West	W	L	PCT	GB
Astros - y	81	81	.500
Rangers	80	82	.494	1.0
Mariners	76	86	.469	5.0
Athletics	64	98	.395	17.0
Angels	62	100	.383	19.0

MLB 2026 Scores & Schedule

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DATE	MATCHUP			SCORE
Tue 9/15	MIL	@	PIT	5-1
Wed 9/16	CWS	@	CLE	3-6
Wed 9/16	SFG	@	STL	6-5
Wed 9/16	NYY	@	MIN	4-5
Wed 9/16	DET	@	TOR	1-5

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DATE	MATCHUP			TIME (ET)
Thu 3/25	TEX	@	HOU	4:00 AM
Thu 3/25	BAL	@	TBR	4:00 AM
Thu 3/25	ATL	@	LAD	4:00 AM
Thu 3/25	CWS	@	DET	4:00 AM
Thu 3/25	NYM	@	MIA	4:00 AM

Since 1969, Dan Haren has the lowest ERA in the regular-season and playoffs when pitching at least 150 innings versus the Mariners, with an ERA of 2.67.

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