50 pitchers are tied for the lowest ERA by a relief pitcher this season, with an ERA of 0.00. The first three are Kyle Harrison, Tommy Henry and Tanner Rainey.

Interpreted as:

rp with lowest era 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	H/9
1	Kyle Harrison K. Harrison	0.00	2025	SFG	1	0	0		0	2	0	0	0	1.0	0	0	0	0	0	0	1	0	3	0	18.00	0.00		0.00	66.7	0.0	0.00	.000	0.00	0.00
2	Tommy Henry T. Henry	0.00	2025	AZ	1	0	0		0	1	0	0	0	2.2	1	0	0	0	0	1	1	0	9	0	3.38	0.00		0.00	11.1	0.0	0.38	.143	0.00	3.38
3	Tanner Rainey T. Rainey	0.00	2025	PIT	1	0	0		0	2	0	0	0	1.0	0	0	0	0	0	0	0	0	3	0	18.00	0.00		0.00	66.7	0.0	0.00	.000	0.00	0.00
4	Austin Warren A. Warren	0.00	2025	NYM	1	0	0		0	1	0	0	0	1.0	0	0	0	0	1	0	0	0	4	0	9.00	9.00	1.00	0.00	25.0	25.0	1.00	.000	0.00	0.00
5	Michael McGreevy M. McGreevy	0.00	2025	STL	1	1	0	1.000	0	5	0	0	0	5.2	1	0	0	0	1	1	1	0	20	0	7.94	1.59	5.00	0.00	25.0	5.0	0.35	.077	0.00	1.59
6	Andrew Chafin A. Chafin	0.00	2025	WSH	2	0	0		0	3	0	0	0	1.1	1	0	0	0	0	0	0	0	5	1	20.25	0.00		0.00	60.0	0.0	0.75	.500	0.00	6.75
7	Scott McGough S. McGough	0.00	2025	AZ	1	0	0		0	0	0	0	0	2.0	1	0	0	0	1	0	1	0	8	0	0.00	4.50	0.00	0.00	0.0	12.5	1.00	.143	0.00	4.50
8	Matt Brash M. Brash	0.00	2025	SEA	2	0	0		0	1	0	0	0	1.2	2	0	0	0	1	1	0	0	8	0	5.40	5.40	1.00	0.00	12.5	12.5	1.80	.400	0.00	10.80
9	Chris Flexen C. Flexen	0.00	2025	CHC	2	0	0		0	5	0	0	1	4.0	2	0	0	0	2	0	1	0	16	1	11.25	4.50	2.50	0.00	31.3	12.5	1.00	.222	0.00	4.50
10	Matt Festa M. Festa	0.00	2025	CLE	2	0	0		0	1	0	0	0	2.0	2	0	0	0	0	0	0	0	8	0	4.50	0.00		0.00	12.5	0.0	1.00	.286	0.00	9.00
11	Taylor Clarke T. Clarke	0.00	2025	KCR	3	1	0	1.000	0	2	0	0	0	3.1	1	0	0	0	0	0	3	0	11	1	5.40	0.00		0.00	18.2	0.0	0.30	.111	0.00	2.70
12	Tobias Myers T. Myers	0.00	2025	MIL	1	0	0		0	1	0	0	0	1.0	0	0	0	0	0	0	0	0	3	0	9.00	0.00		0.00	33.3	0.0	0.00	.000	0.00	0.00
13	Ty Adcock T. Adcock	0.00	2025	NYM	1	0	0		0	0	0	0	0	0.1	1	0	0	0	1	0	1	0	4	0	0.00	27.00	0.00	0.00	0.0	25.0	6.00	.333	0.00	27.00
14	Tyler Owens T. Owens	0.00	2025	DET	2	0	0		0	1	0	0	0	2.0	1	0	0	0	0	0	2	0	7	0	4.50	0.00		0.00	14.3	0.0	0.50	.167	0.00	4.50
15	Brandon Waddell B. Waddell	0.00	2025	NYM	1	0	0		0	4	0	0	0	4.1	3	0	0	0	0	0	0	0	16	0	8.31	0.00		0.00	25.0	0.0	0.69	.250	0.00	6.23
16	Enrique Hernández E. Hernández	0.00	2025	LAD	1	0	0		0	0	0	0	0	1.0	2	0	0	0	0	0	1	0	5	0	0.00	0.00		0.00	0.0	0.0	2.00	.400	0.00	18.00
17	Tom Cosgrove T. Cosgrove	0.00	2025	CHC	1	0	0		0	2	0	0	0	2.0	1	0	0	0	1	0	1	0	8	0	9.00	4.50	2.00	0.00	25.0	12.5	1.00	.200	0.00	4.50
18	Sean Newcomb S. Newcomb	0.00	2025	BOS	2	0	0		0	6	0	0	0	5.0	5	0	0	0	1	0	1	0	21	1	10.80	1.80	6.00	0.00	28.6	4.8	1.20	.357	0.00	9.00
19	Davis Daniel D. Daniel	0.00	2025	ATL	1	0	0		0	1	0	0	0	1.0	0	0	0	0	0	1	1	0	4	0	9.00	0.00		0.00	25.0	0.0	0.00	.000	0.00	0.00
20	Jonathan Bowlan J. Bowlan	0.00	2025	KCR	1	0	0		0	1	0	0	0	2.0	0	0	0	0	0	0	1	0	6	0	4.50	0.00		0.00	16.7	0.0	0.00	.000	0.00	0.00
21	Davis Martin D. Martin	0.00	2025	CWS	1	0	0		0	5	0	0	0	6.0	3	0	0	0	2	0	0	0	20	0	7.50	3.00	2.50	0.00	25.0	10.0	0.83	.231	0.00	4.50
22	Yerry De Los Santos Y. De Los Santos	0.00	2025	NYY	2	0	0		0	1	0	0	0	3.0	3	0	0	0	0	0	1	0	13	0	3.00	0.00		0.00	7.7	0.0	1.00	.250	0.00	9.00
23	Sean Guenther S. Guenther	0.00	2025	DET	3	0	0		0	4	0	0	0	3.2	3	0	0	0	0	0	0	0	12	0	9.82	0.00		0.00	33.3	0.0	0.82	.375	0.00	7.36
24	Ryan Bergert R. Bergert	0.00	2025	SDP	4	1	0	1.000	0	2	0	0	0	4.0	1	0	0	0	0	1	2	0	14	0	4.50	0.00		0.00	14.3	0.0	0.25	.091	0.00	2.25
25	Drew Pomeranz D. Pomeranz	0.00	2025	CHC	5	0	0		0	4	0	0	0	5.1	0	0	0	0	2	2	2	0	19	0	6.75	3.38	2.00	0.00	21.1	10.5	0.38	.000	0.00	0.00