relief pitchers have the lowest earned run in a season min 30 ip

Hal Newhouser has allowed the fewest earned runs by a relief pitcher with 30.0+ innings pitched in a season, with 1 earned run in 1944.

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Regular season

	NAME	ER	IP	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	H	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Hal Newhouser H. Newhouser	1	30.2	1944	DET	13	4	2	.667	0	0.29	17	0	0	2	18	5	0	10	0	10		116	0	4.99	2.93	1.70	0.00	14.7	8.6	0.91	.202	1.47	5.28
2	Kevin Siegrist K. Siegrist	2	39.2	2013	STL	45	3	1	.750	0	0.45	50	0	0	0	17	2	1	18	1	15	1	152	0	11.34	4.08	2.78	0.23	32.9	11.8	0.88	.195	0.45	3.86
3	Arnie Portocarrero A. Portocarrero	2	34.1	1957	KCA	16	2	0	1.000	0	0.52	15	0	0	0	17	3	0	5	1	8	1	124	0	3.93	1.31	3.00	0.00	12.1	4.0	0.64	.165	0.79	4.46
4	Charley Schanz C. Schanz	2	30.2	1944	PHN	10	4	0	1.000	0	0.59	9	0	0	3	14	2	0	8	0	8		115	0	2.64	2.35	1.13	0.00	7.8	7.0	0.72	.143	0.59	4.11
5	Casey Sadler C. Sadler	3	40.1	2021	SEA	42	0	1	.000	0	0.67	37	0	0	0	19	4	1	10	1	2	0	145	2	8.26	2.23	3.70	0.22	25.5	6.9	0.72	.188	0.89	4.24
6	Jesse Crain J. Crain	3	36.2	2013	CWS	38	2	3	.400	0	0.74	46	0	0	0	31	6	0	11	1	5	1	152	0	11.29	2.70	4.18	0.00	30.3	7.2	1.15	.330	1.47	7.61
7	Mike Adams M. Adams	3	37.0	2009	SDP	37	0	0		0	0.73	45	0	0	0	14	9	1	8	0	5	1	136	1	10.95	1.95	5.63	0.24	33.1	5.9	0.59	.159	2.19	3.41
8	Joey Devine J. Devine	3	45.2	2008	OAK	42	6	1	.857	0	0.59	49	0	0	1	23	7	0	15	0	10	2	170	0	9.66	2.96	3.27	0.00	28.8	8.8	0.83	.217	1.38	4.53
9	Ricky Horton R. Horton	3	41.2	1986	STL	33	1	0	1.000	0	0.65	18	0	0	3	24	3	2	11	1	12	3	154	0	3.89	2.38	1.64	0.43	11.7	7.1	0.84	.180	0.65	5.18
10	Ray Searage R. Searage	3	38.1	1984	MIL	21	2	1	.667	0	0.70	29	0	0	6	20	3	0	16	1	16	3	149	1	6.81	3.76	1.81	0.00	19.5	10.7	0.94	.194	0.70	4.70
11	Paul Hartzell P. Hartzell	3	33.1	1977	CAL	18	2	3	.400	0	0.81	15	0	0	4	26	3	2	6	0	12	4	127	0	4.05	1.62	2.50	0.54	11.8	4.7	0.96	.231	0.81	7.02
12	Chris Zachary C. Zachary	3	33.1	1972	DET	24	1	0	1.000	0	0.81	20	0	0	1	22	3	1	15	1	9	2	134	1	5.40	4.05	1.33	0.27	14.9	11.2	1.11	.216	0.81	5.94
13	Hank Aguirre H. Aguirre	3	39.0	1968	LAD	25	1	2	.333	0	0.69	25	0	0	3	32	8	0	13	3	16	3	167	4	5.77	3.00	1.92	0.00	15.0	7.8	1.15	.254	1.85	7.38
14	Larry Sherry L. Sherry	3	36.1	1959	LAD	14	5	0	1.000	0	0.74	26	0	0	3	21	3	0	17	1	10	3	142	0	6.44	4.21	1.53	0.00	18.3	12.0	1.05	.214	0.74	5.20
15	Bobby Locke B. Locke	3	32.1	1959	CLE	17	2	0	1.000	0	0.84	20	0	0	2	27	4	0	10	2	8	0	138	3	5.57	2.78	2.00	0.00	14.5	7.2	1.14	.255	1.11	7.52
16	Bob Kuzava B. Kuzava	3	33.0	1951	NYY	15	5	1	.833	0	0.82	22	0	0	5	24	4	2	9	0	13		129	0	6.00	2.45	2.44	0.55	17.1	7.0	1.00	.229	1.09	6.55
17	Cliff Melton C. Melton	3	34.2	1941	NYG	20	1	1	.500	0	0.78	19	0	0	1	29	4	2	10	0	10		139	0	4.93	2.60	1.90	0.52	13.7	7.2	1.13	.250	1.04	7.53
18	Claude Passeau C. Passeau	3	34.2	1940	CHC	15	4	1	.800	0	0.78	24	0	0	5	24	3	1	7	0	13		131	0	6.23	1.82	3.43	0.26	18.3	5.3	0.89	.232	0.78	6.23
19	Carl Hubbell C. Hubbell	3	34.2	1933	NYG	12	3	1	.750	0	0.78	17	0	0	5	25	3	0	7	0	11		133	0	4.41	1.82	2.43	0.00	12.8	5.3	0.92	.229	0.78	6.49
20	Robert Suarez R. Suarez	4	34.0	2026	ATL	33	4	0	1.000	0	1.06	26	0	0	4	24	4	1	6	0	6	0	130	1	6.88	1.59	4.33	0.26	20.0	4.6	0.88	.237	1.06	6.35
21	Yency Almonte Y. Almonte	4	35.1	2022	LAD	33	0	0		0	1.02	33	0	0	1	18	4	2	10	4	3	1	135	0	8.41	2.55	3.30	0.51	24.4	7.4	0.79	.186	1.02	4.58
22	Zack Britton Z. Britton	4	67.0	2016	BAL	69	2	1	.667	0	0.54	74	0	0	47	38	7	1	18	0	63	3	254	10	9.94	2.42	4.11	0.13	29.1	7.1	0.84	.230	0.94	5.10
23	Jeff Manship J. Manship	4	39.1	2015	CLE	32	1	0	1.000	0	0.92	33	0	0	0	20	4	1	10	1	7	0	144	0	7.55	2.29	3.30	0.23	22.9	6.9	0.76	.192	0.92	4.58
24	Carter Capps C. Capps	4	31.0	2015	MIA	30	1	0	1.000	0	1.16	58	0	0	0	18	5	2	7	2	8	0	118	2	16.84	2.03	8.29	0.58	49.2	5.9	0.81	.327	1.45	5.23
25	Aaron Sanchez A. Sanchez	4	33.0	2014	TOR	24	2	2	.500	0	1.09	27	0	0	3	14	5	1	9	1	6	0	121	1	7.36	2.45	3.00	0.27	22.3	7.4	0.70	.157	1.36	3.82

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StatMuse has game-level data for earned runs going back to the 1923 season.

Some of the information used here was obtained free of charge from Retrosheet.

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TEAM	W	L	PCT	GB
Guardians	85	77	.525
White Sox	84	78	.519	1.0
Twins	77	85	.475	8.0
Tigers	76	86	.469	9.0
Royals	69	93	.426	16.0

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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
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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
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Athletics	64	98	.395	17.0
Angels	62	100	.383	19.0

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Tue 9/15	CWS	@	CLE	6-7
Tue 9/15	ATH	@	TBR	1-2
Tue 9/15	MIL	@	PIT	5-1
Tue 9/15	BAL	@	NYM	7-5
Tue 9/15	ATL	@	CHC	6-3

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DATE	MATCHUP			TIME (ET)
Fri 10/16	TBR	@	CLE	8:00 PM
Sat 10/17	TBR	@	CLE	8:00 PM
Mon 10/19	CLE	@	TBR	8:00 PM
Tue 10/20	CLE	@	TBR	8:00 PM

Hal Newhouser has allowed the fewest earned runs by a relief pitcher with 30.0+ innings pitched in a season, with 1 earned run in 1944.

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