lowest era by a relief pitcher last year minimum 50 innings pitched

Aroldis Chapman had the lowest ERA by a relief pitcher with 50.0+ innings pitched in 2025, with an ERA of 1.17.

	NAME	ERA	IP	SEASON	TM	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	Aroldis Chapman A. Chapman	1.17	61.1	2025	BOS	67	5	3	.625	0	85	0	0	32	28	8	9	3	15	0	43	0	228	6	12.47	2.20	5.67	0.44	37.3	6.6	0.70	.200	1.32	4.11
2	Edwin Díaz E. Díaz	1.63	66.1	2025	NYM	62	6	3	.667	0	98	0	0	28	37	12	14	4	21	8	48	0	258	7	13.30	2.85	4.67	0.54	38.0	8.1	0.87	.260	1.90	5.02
3	Abner Uribe A. Uribe	1.67	75.1	2025	MIL	75	3	2	.600	0	90	0	0	7	51	14	18	4	27	6	15	2	298	5	10.75	3.23	3.33	0.48	30.2	9.1	1.04	.275	2.15	6.09
4	Andrés Muñoz A. Muñoz	1.73	62.1	2025	SEA	64	3	3	.500	0	83	0	0	38	36	12	18	2	28	4	47	3	254	7	11.98	4.04	2.96	0.29	32.7	11.0	1.03	.248	2.60	5.20
5	Randy Rodríguez R. Rodríguez	1.78	50.2	2025	SFG	50	3	5	.375	0	67	0	0	4	34	10	12	4	11	4	15	0	198	2	11.90	1.95	6.09	0.71	33.8	5.6	0.89	.268	2.13	6.04
6	Jason Adam J. Adam	1.93	65.1	2025	SDP	65	8	4	.667	0	70	0	0	0	50	14	18	4	25	3	4	3	270	3	9.64	3.44	2.80	0.55	25.9	9.3	1.15	.274	2.48	6.89
7	Matt Svanson M. Svanson	1.94	60.1	2025	STL	39	4	0	1.000	0	68	0	0	0	33	13	14	3	20	4	10	0	234	1	10.14	2.98	3.40	0.45	29.1	8.5	0.88	.216	2.09	4.92
8	Tyler Rogers T. Rogers	1.98	77.1	2025	TOT	81	4	6	.400	0	48	0	0	0	66	17	20	4	7	1	13	0	299	0	5.59	0.81	6.86	0.47	16.1	2.3	0.94	.259	2.33	7.68
9	Mike Vasil M. Vasil	2.00	90.0	2025	CWS	44	5	3	.625	0	71	0	0	4	60	20	24	5	46	6	17	5	371	4	7.10	4.60	1.54	0.50	19.1	12.4	1.18	.226	2.40	6.00
10	Josh Hader J. Hader	2.05	52.2	2025	HOU	48	6	2	.750	0	76	0	0	28	29	12	16	8	16	2	41	1	206	2	12.99	2.73	4.75	1.37	36.9	7.8	0.85	.202	2.73	4.96
11	Jhoan Duran J. Duran	2.06	70.0	2025	TOT	72	7	6	.538	0	80	0	0	32	58	16	19	3	19	3	55	4	287	3	10.29	2.44	4.21	0.39	27.9	6.6	1.10	.302	2.44	7.46
12	JoJo Romero J. Romero	2.07	61.0	2025	STL	65	4	6	.400	0	55	0	0	8	47	14	21	2	29	2	16	5	255	2	8.11	4.28	1.90	0.30	21.6	11.4	1.25	.269	3.10	6.93
13	Adrian Morejon A. Morejon	2.08	73.2	2025	SDP	75	13	6	.684	0	70	0	0	3	49	17	23	2	17	0	9	3	286	2	8.55	2.08	4.12	0.24	24.5	5.9	0.90	.239	2.81	5.99
14	Brad Keller B. Keller	2.10	68.2	2025	CHC	67	4	2	.667	0	73	0	0	3	45	16	18	4	22	6	12	0	273	1	9.57	2.88	3.32	0.52	26.7	8.1	0.98	.244	2.36	5.90
15	Carmen Mlodzinski C. Mlodzinski	2.15	50.1	2025	PIT	22	4	4	.500	0	53	0	0	0	44	12	14	3	11	3	7	0	204	4	9.48	1.97	4.82	0.54	26.0	5.4	1.09	.306	2.50	7.87
16	Anthony Bender A. Bender	2.16	50.0	2025	MIA	51	3	5	.375	0	42	0	0	4	32	12	13	3	21	2	12	2	204	1	7.56	3.78	2.00	0.54	20.6	10.3	1.06	.213	2.34	5.76
17	Dennis Santana D. Santana	2.18	70.1	2025	PIT	70	4	5	.444	0	60	0	0	16	44	17	18	5	17	3	34	0	270	0	7.68	2.18	3.53	0.64	22.2	6.3	0.87	.211	2.30	5.63
18	Sean Newcomb S. Newcomb	2.19	70.0	2025	TOT	43	2	2	.500	0	64	0	0	2	62	17	21	4	20	4	11	2	286	2	8.23	2.57	3.20	0.51	22.4	7.0	1.17	.299	2.70	7.97
19	Shawn Armstrong S. Armstrong	2.19	70.0	2025	TEX	69	4	2	.667	0	68	0	0	9	39	17	19	4	19	6	22	0	270	3	8.74	2.44	3.58	0.51	25.2	7.0	0.83	.202	2.44	5.01
20	Ronny Henriquez R. Henriquez	2.22	73.0	2025	MIA	69	7	1	.875	0	98	0	0	7	53	18	23	8	27	4	9	2	303	2	12.08	3.33	3.63	0.99	32.3	8.9	1.10	.271	2.84	6.53
21	Aaron Ashby A. Ashby	2.23	64.2	2025	MIL	42	5	2	.714	0	73	0	0	3	54	16	16	3	24	4	9	0	264	6	10.16	3.34	3.04	0.42	27.7	9.1	1.21	.319	2.23	7.52
22	Garrett Whitlock G. Whitlock	2.25	72.0	2025	BOS	62	7	3	.700	0	91	0	0	1	54	18	21	2	24	5	9	2	293	3	11.38	3.00	3.79	0.25	31.1	8.2	1.08	.304	2.63	6.75
23	Bryan Abreu B. Abreu	2.28	71.0	2025	HOU	70	3	4	.429	0	105	0	0	7	51	18	18	4	31	4	19	0	296	4	13.31	3.93	3.39	0.51	35.5	10.5	1.15	.309	2.28	6.46
24	David Bednar D. Bednar	2.30	62.2	2025	TOT	64	6	5	.545	0	86	0	0	27	46	16	18	4	19	1	51	2	251	4	12.35	2.73	4.53	0.57	34.3	7.6	1.04	.298	2.59	6.61
25	Garrett Cleavinger G. Cleavinger	2.35	61.1	2025	TBR	67	2	6	.250	0	82	0	0	2	40	16	17	9	18	7	9	0	243	1	12.03	2.64	4.56	1.32	33.7	7.4	0.95	.244	2.49	5.87

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StatMuse has game-level data for ERA and innings pitched going back to the 1901 season.

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

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Wed 4/8	MIL	@	BOS	1:35 PM
Fri 4/10	BOS	@	STL	8:15 PM
Sat 4/11	BOS	@	STL	7:15 PM
Sun 4/12	BOS	@	STL	2:15 PM
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MLB Fantasy 2026

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MLB 2026 Standings

NL East	W	L	PCT	GB
Mets	7	4	.636
Phillies	6	4	.600	0.5
Braves	6	5	.545	1.0
Marlins	6	5	.545	1.0
Nationals	4	7	.364	3.0
NL Central	W	L	PCT	GB
Reds	8	3	.727
Brewers	8	3	.727
Pirates	7	4	.636	1.0
Cardinals	6	5	.545	2.0
Cubs	5	6	.455	3.0
NL West	W	L	PCT	GB
Dodgers	9	2	.818
Diamondbacks	5	6	.455	4.0
Rockies	5	6	.455	4.0
Padres	5	6	.455	4.0
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Yankees	8	2	.800
Orioles	5	6	.455	3.5
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Blue Jays	4	7	.364	4.5
Red Sox	3	8	.273	5.5
AL Central	W	L	PCT	GB
Guardians	7	5	.583
Royals	5	6	.455	1.5
Twins	5	6	.455	1.5
White Sox	4	7	.364	2.5
Tigers	4	7	.364	2.5
AL West	W	L	PCT	GB
Angels	6	5	.545
Rangers	6	5	.545
Astros	6	6	.500	0.5
Mariners	4	8	.333	2.5
Athletics	3	7	.300	2.5