Tyler Rogers has the lowest ERA with an ERA worse than 0.00 this season, with an ERA of 0.63.

Interpreted as:

league leader in era plus this 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	ERA-	FIP	FIP-	H/9	PRAA
1	Tyler Rogers T. Rogers	0.63	2025	SFG	15	2	0	1.000	0	13	0	0	0	14.1	8	1	1	1	2	0	1	0	52	0	8.16	1.26	6.50	0.63	25.0	3.8	0.70	.194	0.63	16	2.54	68	5.02	2
2	Jason Adam J. Adam	0.64	2025	SDP	13	2	0	1.000	0	18	0	0	0	14.0	7	1	2	0	7	1	1	0	57	1	11.57	4.50	2.57	0.00	31.6	12.3	1.00	.226	1.29	17	2.17	56	4.50	2.7
3	Josh Hader J. Hader	0.69	2025	HOU	11	1	0	1.000	0	17	0	0	7	13.0	6	1	1	0	3	0	10	0	48	0	11.77	2.08	5.67	0.00	35.4	6.3	0.69	.214	0.69	18	1.11	28	4.15	4.1
4	Steven Okert S. Okert	0.75	2025	HOU	10	0	0		0	15	0	0	1	12.0	5	1	1	1	0	1	2	0	42	0	11.25	0.00		0.75	35.7	0.0	0.42	.160	0.75	20	1.86	47	3.75	2.8
5	Will Vest W. Vest	0.75	2025	DET	12	1	0	1.000	0	14	0	0	3	12.0	3	1	1	1	4	0	6	0	43	0	10.50	3.00	3.50	0.75	32.6	9.3	0.58	.083	0.75	20	2.78	70	2.25	1.6
6	Tyler Ferguson T. Ferguson	0.77	2025	ATH	11	0	0		0	12	0	0	0	11.2	7	1	2	1	5	0	2	0	45	0	9.26	3.86	2.40	0.77	26.7	11.1	1.03	.222	1.54	21	3.37	87	5.40	0.7
7	Wandy Peralta W. Peralta	0.77	2025	SDP	12	2	0	1.000	0	9	0	0	0	11.2	5	1	1	1	3	0	5	0	43	0	6.94	2.31	3.00	0.77	20.9	7.0	0.69	.133	0.77	20	3.37	87	3.86	0.7
8	Graham Ashcraft G. Ashcraft	0.77	2025	CIN	10	1	2	.333	0	10	0	0	0	11.2	10	1	6	0	7	0	3	0	51	2	7.71	5.40	1.43	0.00	19.6	13.7	1.46	.294	4.63	18	3.12	75	7.71	1.3
9	Justin Lawrence J. Lawrence	0.79	2025	PIT	11	1	0	1.000	0	15	0	0	0	11.1	5	1	1	0	6	2	3	1	44	1	11.91	4.76	2.50	0.00	34.1	13.6	0.97	.238	0.79	19	2.50	64	3.97	1.8
10	Gabe Speier G. Speier	0.84	2025	SEA	12	0	0		0	13	0	0	0	10.2	5	1	1	1	2	1	0	0	39	0	10.97	1.69	6.50	0.84	33.3	5.1	0.66	.182	0.84	23	2.66	69	4.22	1.4
11	Tommy Kahnle T. Kahnle	0.87	2025	DET	10	0	0		0	8	0	0	4	10.1	4	1	2	0	2	1	6	0	38	0	6.97	1.74	4.00	0.00	21.1	5.3	0.58	.148	1.74	23	2.35	60	3.48	1.9
12	Lucas Erceg L. Erceg	0.87	2025	KCR	12	0	0		0	7	0	0	1	10.1	3	1	1	0	1	0	1	0	32	0	6.10	0.87	7.00	0.00	21.9	3.1	0.39	.125	0.87	21	1.97	49	2.61	2.3
13	Bryan Baker B. Baker	0.90	2025	BAL	11	1	0	1.000	0	12	0	0	0	10.0	8	1	1	0	4	0	2	0	38	0	10.80	3.60	3.00	0.00	31.6	10.5	1.20	.364	0.90	24	1.83	47	7.20	2.4
14	Jack Leiter J. Leiter	0.90	2025	TEX	2	2	0	1.000	2	10	0	0	0	10.0	6	1	1	0	1	0	0	0	36	0	9.00	0.90	10.00	0.00	27.8	2.8	0.70	.240	0.90	23	1.33	33	5.40	3
15	Jose Quintana J. Quintana	0.96	2025	MIL	3	3	0	1.000	3	9	0	0	0	18.2	14	2	2	1	5	0	0	0	70	0	4.34	2.41	1.80	0.48	12.9	7.1	1.02	.236	0.96	24	3.57	90	6.75	0.8
16	Colin Rea C. Rea	0.96	2025	CHC	6	1	0	1.000	3	19	0	0	1	18.2	17	2	2	0	3	0	3	0	76	0	9.16	1.45	6.33	0.00	25.0	3.9	1.07	.315	0.96	25	1.48	38	8.20	5
17	John Brebbia J. Brebbia	1.00	2025	DET	8	1	0	1.000	0	9	0	0	0	9.0	3	1	2	0	5	3	6	0	38	0	9.00	5.00	1.80	0.00	23.7	13.2	0.89	.143	2.00	26	3.70	94	3.00	0.3
18	Erik Miller E. Miller	1.00	2025	SFG	11	1	0	1.000	0	7	0	0	0	9.0	7	1	1	0	6	0	1	2	38	1	7.00	6.00	1.17	0.00	18.4	15.8	1.44	.280	1.00	25	3.48	92	7.00	0.3
19	Nick Mears N. Mears	1.04	2025	MIL	9	0	0		0	9	0	0	0	8.2	3	1	2	0	1	0	0	0	31	1	9.35	1.04	9.00	0.00	29.0	3.2	0.46	.143	2.08	26	1.30	33	3.12	2.5
20	Yoshinobu Yamamoto Y. Yamamoto	1.06	2025	LAD	6	3	2	.600	6	43	0	0	0	34.0	23	4	7	2	11	0	0	0	132	1	11.38	2.91	3.91	0.53	32.6	8.3	1.00	.276	1.85	27	2.24	56	6.09	6.6
21	Jake Bird J. Bird	1.08	2025	COL	11	0	0		0	23	0	0	0	16.2	10	2	2	0	10	1	2	0	69	1	12.42	5.40	2.30	0.00	33.3	14.5	1.20	.286	1.08	24	2.25	55	5.40	3.3
22	Tylor Megill T. Megill	1.09	2025	NYM	5	3	2	.600	5	30	0	0	0	24.2	20	3	7	0	11	2	0	0	108	1	10.95	4.01	2.73	0.00	27.8	10.2	1.26	.308	2.55	28	2.18	56	7.30	4.7
23	Tyler Mahle T. Mahle	1.14	2025	TEX	6	3	0	1.000	6	26	0	0	0	31.2	18	4	4	0	13	0	0	0	122	0	7.39	3.69	2.00	0.00	21.3	10.7	0.98	.217	1.14	29	2.62	64	5.12	5
24	Hunter Brown H. Brown	1.16	2025	HOU	5	3	1	.750	5	31	0	0	0	31.0	17	4	5	1	6	0	0	0	110	0	9.00	1.74	5.17	0.29	28.2	5.5	0.74	.222	1.45	30	2.03	51	4.94	6.7
25	Mike Vasil M. Vasil	1.17	2025	CWS	7	0	1	.000	0	10	0	0	0	15.1	8	2	3	1	8	2	4	2	64	0	5.87	4.70	1.25	0.59	15.6	12.5	1.04	.163	1.76	30	4.53	110	4.70	-0.7