highest era+ by a reliever in one season

Jeff Ridgway and Joe Cleary are tied for the highest ERA by a relief pitcher in a season, with an ERA of 189.00.

Showing:

Regular season

	NAME	ERA	SEASON	TM	G	W	L	W%	GS	SO	CG	SHO	SV	IP	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	Jeff Ridgway J. Ridgway	189.00	2007	TBD	3	0	0		0	0	0	0	0	0.1	7	7	7	1	1	1	0	0	10	0	0.00	27.00	0.00	27.00	0.0	10.0	24.00	.857	189.00	189.00
2	Joe Cleary J. Cleary	189.00	1945	WSH	1	0	0		0	1	0	0	0	0.1	5	7	7	0	3	0	0		9	1	27.00	81.00	0.33	0.00	11.1	33.3	24.00	1.000	189.00	135.00
3	Carlos Estévez C. Estévez	162.00	2026	KCR	1	0	1	.000	0	0	0	0	0	0.1	4	6	6	1	2	0	1	0	7	0	0.00	54.00	0.00	27.00	0.0	28.6	18.00	.750	162.00	108.00
4	Austen Williams A. Williams	162.00	2019	WSH	2	0	0		0	1	0	0	0	0.1	5	6	6	2	1	0	0	0	7	0	27.00	27.00	1.00	54.00	14.3	14.3	18.00	1.000	162.00	135.00
5	Joe Hudson J. Hudson	162.00	1998	MIL	1	0	0		0	0	0	0	0	0.1	2	6	6	0	4	0	0	1	7	0	0.00	108.00	0.00	0.00	0.0	57.1	18.00	.667	162.00	54.00
6	Wade Taylor W. Taylor	162.00	1991	NYY	1	0	0		0	0	0	0	0	0.1	5	6	6	1	1	0	0	0	7	1	0.00	27.00	0.00	27.00	0.0	14.3	18.00	.800	162.00	135.00
7	Dick Drago D. Drago	162.00	1971	KCR	1	0	0		0	1	0	0	0	0.1	5	6	6	1	1	0	0	0	7	0	27.00	27.00	1.00	27.00	14.3	14.3	18.00	1.000	162.00	135.00
8	Tom Qualters T. Qualters	162.00	1953	PHN	1	0	0		0	0	0	0	0	0.1	4	6	6	1	1	1	0	0	7	1	0.00	27.00	0.00	27.00	0.0	14.3	15.00	.750	162.00	108.00
9	Chad Fox C. Fox	135.00	2009	CHC	2	0	0		0	0	0	0	0	0.1	2	5	5	0	3	0	0	0	6	1	0.00	81.00	0.00	0.00	0.0	50.0	15.00	.667	135.00	54.00
10	John Mabry J. Mabry	135.00	2001	FLA	1	0	0		0	0	0	0	0	0.1	3	5	5	0	3	0	0	0	7	0	0.00	81.00	0.00	0.00	0.0	42.9	18.00	.750	135.00	81.00
11	Paul Spoljaric P. Spoljaric	135.00	1994	TOR	1	0	0		0	0	0	0	0	0.1	3	5	5	2	3	0	0	1	8	0	0.00	81.00	0.00	54.00	0.0	37.5	18.00	.333	135.00	81.00
12	Mike Capel M. Capel	135.00	1990	MIL	2	0	0		0	1	0	0	0	0.1	6	5	6	0	1	1	0	0	9	0	27.00	27.00	1.00	0.00	11.1	11.1	21.00	1.000	162.00	162.00
13	Clise Dudley C. Dudley	135.00	1933	PIT	1	0	0		0	0	0	0	0	0.1	6	5	5	0	1	0	0		8	0	0.00	27.00	0.00	0.00	0.0	12.5	21.00	.857	135.00	162.00
14	Yunior Marte Y. Marte	108.00	2026	CIN	1	0	0		0	1	0	0	0	0.1	3	4	4	0	1	1	0	1	6	0	27.00	27.00	1.00	0.00	16.7	16.7	12.00	1.000	108.00	81.00
15	José Castillo J. Castillo	108.00	2023	SDP	1	0	0		0	0	0	0	0	0.1	2	4	4	0	2	1	0	0	6	0	0.00	54.00	0.00	0.00	0.0	33.3	12.00	.667	108.00	54.00
16	Miles Mastrobuoni M. Mastrobuoni	108.00	2023	CHC	1	0	0		0	0	0	0	0	0.1	4	4	4	1	0	0	1	0	5	0	0.00	0.00		27.00	0.0	0.0	12.00	.750	108.00	108.00
17	William Cuevas W. Cuevas	108.00	2017	DET	1	0	0		0	1	0	0	0	0.1	3	4	4	0	0	1	0	0	5	0	27.00	0.00		0.00	20.0	0.0	9.00	1.000	108.00	81.00
18	Phil Hughes P. Hughes	108.00	2013	NYY	1	0	0		0	0	0	0	0	0.1	3	4	4	0	1	0	0	0	5	0	0.00	27.00	0.00	0.00	0.0	20.0	12.00	.750	108.00	81.00
19	David Carpenter D. Carpenter	108.00	2013	LAA	1	0	0		0	1	0	0	0	0.1	2	4	4	1	2	0	0	0	5	1	27.00	54.00	0.50	27.00	20.0	40.0	12.00	1.000	108.00	54.00
20	Garrett Olson G. Olson	108.00	2012	NYM	1	0	0		0	0	0	0	0	0.1	3	4	4	0	1	0	0	0	5	0	0.00	27.00	0.00	0.00	0.0	20.0	12.00	.750	108.00	81.00
21	Edgar Gonzalez E. Gonzalez	108.00	2005	ARI	1	0	0		0	1	0	0	0	0.1	2	4	4	1	2	0	0	0	5	1	27.00	54.00	0.50	27.00	20.0	40.0	12.00	1.000	108.00	54.00
22	Jose Paniagua J. Paniagua	108.00	2003	CWS	1	0	0		0	0	0	0	0	0.1	3	4	4	0	1	0	0	0	5	0	0.00	27.00	0.00	0.00	0.0	20.0	12.00	.750	108.00	81.00
23	Billy Brewer B. Brewer	108.00	1998	PHI	2	0	1	.000	0	0	0	0	0	0.1	3	4	4	0	2	0	0	0	6	0	0.00	54.00	0.00	0.00	0.0	33.3	15.00	.750	108.00	81.00
24	Pete Filson P. Filson	108.00	1990	KCR	1	0	0		0	0	0	0	0	0.1	2	4	4	0	2	0	0	0	5	0	0.00	54.00	0.00	0.00	0.0	40.0	12.00	.667	108.00	54.00
25	Phil Huffman P. Huffman	108.00	1985	BAL	1	0	0		0	0	0	0	0	0.1	2	4	4	0	3	0	0	1	6	0	0.00	81.00	0.00	0.00	0.0	50.0	15.00	.667	108.00	54.00

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

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

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TEAM	W	L	PCT	GB
Rays	98	64	.605
Yankees	93	68	.578	4.5
Red Sox	87	75	.537	11.0
Orioles	79	82	.491	18.5
Blue Jays	79	83	.488	19.0

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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
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

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DATE	MATCHUP			SCORE
Sat 9/12	BAL	@	TOR	3-7
Sun 9/13	COL	@	DET	1-8
Sun 9/13	PHI	@	ATL	9-4
Sun 9/13	NYM	@	NYY	0-2
Sun 9/13	LAA	@	WSH	5-6

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DATE	MATCHUP			TIME (ET)
Tue 9/29	PHI	@	ATL	2:00 PM
Tue 9/29	CWS	@	HOU	5:00 PM
Tue 9/29	BOS	@	NYY	8:00 PM
Tue 9/29	CHC	@	SDP	10:00 PM
Wed 9/30	PHI	@	ATL	2:00 PM

Jeff Ridgway and Joe Cleary are tied for the highest ERA by a relief pitcher in a season, with an ERA of 189.00.

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