mlb team worst era pitching stats for the last 30 days

Between August 4, 2026 and September 3, 2026, the Seattle Mariners have the worst ERA by a team, with an ERA of 5.97.

	TEAM	ERA	G	W%	W	L	SO	SHO	SV	IP	H	ER	R	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Mariners	5.97	27	.407	11	16	218	0	5	238.0	271	158	169	46	90	15	6	1,067	6	8.24	3.40	2.42	1.74	20.4	8.4	1.52	.322	6.39	10.25
2	Athletics	5.60	28	.321	9	19	225	0	7	242.2	256	151	164	35	105	10	8	1,083	16	8.34	3.89	2.14	1.30	20.8	9.7	1.49	.312	6.08	9.49
3	Reds	5.42	29	.483	14	15	239	0	11	254.0	281	153	164	39	92	18	5	1,135	11	8.47	3.26	2.60	1.38	21.1	8.1	1.47	.324	5.81	9.96
4	Rockies	5.06	27	.333	9	18	167	0	5	240.0	260	135	146	29	101	10	3	1,075	8	6.26	3.79	1.65	1.09	15.5	9.4	1.50	.301	5.48	9.75
5	Cubs	4.70	27	.519	14	13	206	0	5	243.0	236	127	133	44	85	13	3	1,038	5	7.63	3.15	2.42	1.63	19.8	8.2	1.32	.278	4.93	8.74
6	White Sox	4.69	29	.483	14	15	221	0	9	259.0	253	135	147	41	106	14	7	1,126	20	7.68	3.68	2.08	1.42	19.6	9.4	1.39	.285	5.11	8.79
7	Twins	4.64	27	.407	11	16	231	0	7	238.1	231	123	135	26	91	8	6	1,024	9	8.72	3.44	2.54	0.98	22.6	8.9	1.35	.307	5.10	8.72
8	Cardinals	4.58	27	.519	14	13	240	0	10	239.2	229	122	133	28	98	10	3	1,023	7	9.01	3.68	2.45	1.05	23.5	9.6	1.36	.311	4.99	8.60
9	Giants	4.47	28	.357	10	18	202	0	5	247.2	240	123	135	19	106	13	5	1,084	14	7.34	3.85	1.91	0.69	18.6	9.8	1.40	.297	4.91	8.72
10	Nationals	4.37	28	.429	12	16	242	0	2	245.1	217	119	124	34	116	12	3	1,051	11	8.88	4.26	2.09	1.25	23.0	11.0	1.36	.283	4.55	7.96
11	Astros	4.26	27	.519	14	13	234	0	8	241.0	215	114	119	27	101	11	0	1,030	8	8.74	3.77	2.32	1.01	22.7	9.8	1.31	.286	4.44	8.03
12	Rangers	4.16	27	.519	14	13	237	0	7	236.0	237	109	114	29	100	8	6	1,033	3	9.04	3.81	2.37	1.11	22.9	9.7	1.43	.316	4.35	9.04
13	Red Sox	4.15	29	.517	15	14	249	0	5	260.0	244	120	136	27	96	15	2	1,112	6	8.62	3.32	2.59	0.93	22.4	8.6	1.31	.299	4.71	8.45
14	Tigers	4.15	27	.370	10	17	187	0	5	238.2	212	110	121	34	98	15	2	1,015	8	7.05	3.70	1.91	1.28	18.4	9.7	1.30	.261	4.56	7.99
15	Diamondbacks	4.08	28	.500	14	14	198	0	5	249.0	218	113	122	26	95	11	1	1,051	7	7.16	3.43	2.08	0.94	18.8	9.0	1.26	.266	4.41	7.88
16	Royals	4.08	27	.593	16	11	179	1	7	238.1	215	108	112	27	83	13	2	999	7	6.76	3.13	2.16	1.02	17.9	8.3	1.25	.270	4.23	8.12
17	Mets	4.01	27	.593	16	11	228	0	7	240.0	221	107	112	29	103	17	0	1,037	8	8.55	3.86	2.21	1.09	22.0	9.9	1.35	.291	4.20	8.29
18	Pirates	3.92	27	.444	12	15	234	0	6	238.2	196	104	111	21	106	12	2	1,008	5	8.82	4.00	2.21	0.79	23.2	10.5	1.27	.276	4.19	7.39
19	Rays	3.88	27	.630	17	10	226	0	10	246.0	222	106	115	34	56	10	5	1,012	5	8.27	2.05	4.04	1.24	22.3	5.5	1.13	.274	4.21	8.12
20	Orioles	3.79	28	.536	15	13	237	0	11	249.2	249	105	113	25	83	12	4	1,059	6	8.54	2.99	2.86	0.90	22.4	7.8	1.33	.319	4.07	8.98
21	Dodgers	3.76	26	.500	13	13	257	0	8	232.1	196	97	106	24	83	13	9	984	7	9.96	3.22	3.10	0.93	26.1	8.4	1.20	.283	4.11	7.59
22	Guardians	3.66	27	.481	13	14	265	0	6	241.0	210	98	115	32	95	19	0	1,030	12	9.90	3.55	2.79	1.20	25.7	9.2	1.27	.288	4.29	7.84
23	Marlins	3.65	27	.481	13	14	194	0	3	236.2	210	96	111	28	93	9	1	1,008	9	7.38	3.54	2.09	1.06	19.2	9.2	1.28	.266	4.22	7.99
24	Brewers	3.48	28	.643	18	10	246	0	10	251.0	213	97	108	37	94	12	2	1,047	6	8.82	3.37	2.62	1.33	23.5	9.0	1.22	.267	3.87	7.64
25	Blue Jays	3.46	28	.607	17	11	229	0	12	254.2	204	98	109	26	116	8	10	1,069	13	8.09	4.10	1.97	0.92	21.4	10.9	1.26	.258	3.85	7.21

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StatMuse has team, 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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More Mariners Stats

Team Batting Leaders

22

Arozarena

RBI

66

Arozarena

AVG

.272

Arozarena

Team Pitching Leaders

11

Gilbert

166

Gilbert

ERA

3.42

Gilbert

Team Rankings

162

15th

555

30th

1,178

14th

ERA

4.18

17th

2026 Division Standings

TEAM	W	L	PCT	GB
Astros	72	69	.511
Rangers	69	71	.493	2.5
Mariners	66	74	.471	5.5
Athletics	54	86	.386	17.5
Angels	53	87	.379	18.5

Schedule

DATE	MATCHUP			TIME (ET)
Thu 9/3	ATH	@	SEA	9:40 PM
Fri 9/4	ATH	@	SEA	10:10 PM
Sat 9/5	ATH	@	SEA	9:40 PM
Sun 9/6	ATH	@	SEA	4:10 PM
Tue 9/8	TEX	@	SEA	9:40 PM

Last Game

Mariners

66 - 74

Final

Red Sox

75 - 65

Wed 2 Sep 2026

MLB 2026 Batting Leaders

HR Leaders

40

Schwarber

38

Crow-Armstrong

37

Caminero

RBI Leaders

105

Stewart

101

Burleson

99

Walker

Batting Average Leaders

.316

Alvarez

.315

Arraez

.312

Simpson

Hit Leaders

166

Lopez

166

Arraez

160

Díaz

Run Leaders

102

Crow-Armstrong

100

Wood

95

Reynolds

OBP Leaders

.433

Alvarez

.396

Kurtz

.394

Harper

SLG Leaders

.602

Alvarez

.568

Crow-Armstrong

.547

García

SB Leaders

44

Nuñez

40

Chisholm

38

Simpson

MLB 2026 Pitching Leaders

Win Leaders

16

Sánchez

16

Gray

15

Burns

Strikeout Leaders

227

Misiorowski

221

Cease

217

Williams

ERA Leaders

1.97

Misiorowski

2.04

Schlittler

2.06

Sale

WHIP Leaders

0.79

Misiorowski

0.90

Yamamoto

0.93

Rasmussen

K/9 Leaders

13.18

Misiorowski

12.72

Cease

11.98

Williams

K/BB Leaders

6.32

Sale

5.82

Misiorowski

5.52

Rasmussen

Walk Leaders

22

Martinez

27

Rasmussen

28

Sale

MLB Fantasy 2026

FanDuel Points Leaders

2,261.8

Ohtani

2,006.9

Crow-Armstrong

1,847.4

Alvarez

DraftKings Points Leaders

1,590.6

Ohtani

1,522

Crow-Armstrong

1,384

Alvarez

MLB 2026 Betting

Best Record ATS

82-58

81-61

79-61

78-62

77-64

76-64

Worst Record ATS

54-86

55-84

59-81

61-79

64-76

MLB 2026 Standings

NL East	W	L	PCT	GB
Braves	83	57	.593
Phillies	79	61	.564	4.0
Marlins	71	69	.507	12.0
Nationals	67	75	.472	17.0
Mets	63	77	.450	20.0
NL Central	W	L	PCT	GB
Brewers	87	53	.621
Cubs	78	62	.557	9.0
Cardinals	70	70	.500	17.0
Pirates	69	72	.489	18.5
Reds	67	73	.479	20.0
NL West	W	L	PCT	GB
Dodgers	82	57	.590
Diamondbacks	74	67	.525	9.0
Padres	73	67	.521	9.5
Giants	58	83	.411	25.0
Rockies	54	86	.386	28.5

AL East	W	L	PCT	GB
Rays	83	56	.597
Yankees	80	60	.571	3.5
Red Sox	75	65	.536	8.5
Blue Jays	70	71	.496	14.0
Orioles	69	71	.493	14.5
AL Central	W	L	PCT	GB
White Sox	73	67	.521
Guardians	70	70	.500	3.0
Twins	67	73	.479	6.0
Tigers	64	75	.460	8.5
Royals	62	78	.443	11.0
AL West	W	L	PCT	GB
Astros	72	69	.511
Rangers	69	71	.493	2.5
Mariners	66	74	.471	5.5
Athletics	54	86	.386	17.5
Angels	53	87	.379	18.5

MLB 2026 Scores & Schedule

Scores

DATE	MATCHUP			SCORE
Wed 8/19	DET	@	PIT	3-4
Wed 8/19	ATL	@	MIN	4-6
Wed 8/19	CWS	@	CHC	3-0
Wed 8/19	AZ	@	BOS	7-6
Wed 8/19	NYY	@	BAL	5-3

Schedule

DATE	MATCHUP			TIME (ET)
Thu 9/3	MIL	@	CHC	7:15 PM
Thu 9/3	BOS	@	BAL	7:15 PM
Thu 9/3	MIA	@	KCR	7:40 PM
Thu 9/3	TBR	@	TEX	8:05 PM
Thu 9/3	ATH	@	SEA	9:40 PM

Between August 4, 2026 and September 3, 2026, the Seattle Mariners have the worst ERA by a team, with an ERA of 5.97.

Related Searches

More MLB News

More Mariners Stats

22

66

.272

11

166

3.42

MLB 2026 Batting Leaders

40

38

37

105

101

99

.316

.315

.312

166

166

160

102

100

95

.433

.396

.394

.602

.568

.547

44

40

38

MLB 2026 Pitching Leaders

16

16

15

227

221

217

1.97

2.04

2.06

0.79

0.90

0.93

13.18

12.72

11.98

6.32

5.82

5.52

22

27

28

MLB Fantasy 2026

2,261.8

2,006.9

1,847.4

1,590.6

1,522

1,384

MLB 2026 Betting

MLB 2026 Standings

MLB 2026 Scores & Schedule

Scores

Schedule