50 pitchers are tied for allowing the fewest earned runs this season, with 0 earned runs. The first three are Dan Altavilla, Jake Bauers and Paul Blackburn.

Interpreted as:

player with the least earned runs this regular season

	NAME	ER	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	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	Dan Altavilla D. Altavilla	0	2025	CWS	3	0	0		0	0.00	4	0	0	0	3.0	1	0	0	2	0	3	0	12	0	12.00	6.00	2.00	0.00	33.3	16.7	1.00	.167	0.00	0	2.40	57	3.00	0.6
2	Jake Bauers J. Bauers	0	2025	MIL	4	0	0		0	0.00	0	0	0	0	4.0	4	0	0	1	2	4	0	19	0	0.00	2.25	0.00	0.00	0.0	5.3	1.25	.250	0.00	0	5.31	133	9.00	-0.6
3	Paul Blackburn P. Blackburn	0	2025	NYM	1	0	0		1	0.00	3	0	0	0	5.0	3	0	0	1	0	0	0	19	0	5.40	1.80	3.00	0.00	15.8	5.3	0.80	.200	0.00	0	2.46	63	5.40	0.8
4	Jeff Brigham J. Brigham	0	2025	AZ	2	0	0		0	0.00	2	0	0	0	3.0	3	0	0	1	0	1	0	13	0	6.00	3.00	2.00	0.00	15.4	7.7	1.33	.300	0.00	0	2.73	71	9.00	0.4
5	Nick Burdi N. Burdi	0	2025	BOS	4	0	0		0	0.00	5	0	0	0	5.1	5	0	0	2	0	2	0	21	1	8.44	3.38	2.50	0.00	23.8	9.5	1.31	.357	0.00	0	2.31	57	8.44	1
6	Willi Castro W. Castro	0	2025	MIN	1	0	0		0	0.00	0	0	0	0	1.0	1	0	0	0	0	1	0	4	0	0.00	0.00		0.00	0.0	0.0	1.00	.250	0.00	0	3.06	76	9.00	0.1
7	Danny Coulombe D. Coulombe	0	2025	MIN	19	1	0	1.000	0	0.00	19	0	0	2	16.2	8	0	0	2	0	6	0	60	0	10.26	1.08	9.50	0.00	31.7	3.3	0.60	.205	0.00	0	1.14	28	4.32	5.4
8	Jhonathan Díaz J. Díaz	0	2025	SEA	1	0	0		0	0.00	1	0	0	0	1.1	1	0	0	0	0	1	0	5	0	6.75	0.00		0.00	20.0	0.0	0.75	.250	0.00	0	1.56	40	6.75	0.4
9	Chris Flexen C. Flexen	0	2025	CHC	8	3	0	1.000	0	0.00	8	0	0	1	14.1	7	1	0	4	0	6	0	51	1	5.02	2.51	2.00	0.00	15.7	7.8	0.77	.179	0.63	0	2.79	72	4.40	1.7
10	Hunter Harvey H. Harvey	0	2025	KCR	6	0	0		0	0.00	7	0	0	0	5.1	1	0	0	0	0	1	0	17	0	11.81	0.00		0.00	41.2	0.0	0.19	.100	0.00	0	0.44	11	1.69	2.1
11	Enrique Hernández E. Hernández	0	2025	LAD	2	0	0		0	0.00	0	0	0	0	2.0	3	0	0	0	0	2	0	9	0	0.00	0.00		0.00	0.0	0.0	1.50	.333	0.00	0	3.06	76	13.50	0.2
12	Tomás Nido T. Nido	0	2025	DET	1	0	0		0	0.00	0	0	0	0	1.2	0	0	0	0	1	1	0	6	0	0.00	0.00		0.00	0.0	0.0	0.00	.000	0.00	0	4.86	121	0.00	-0.2
13	Adam Ottavino A. Ottavino	0	2025	NYY	3	0	0		0	0.00	3	0	0	0	1.2	0	0	0	4	0	0	0	9	0	16.20	21.60	0.75	0.00	33.3	44.4	2.40	.000	0.00	0	6.66	160	0.00	-0.4
14	Evan Phillips E. Phillips	0	2025	LAD	7	0	0		0	0.00	6	0	0	1	5.2	4	0	0	2	0	1	0	22	0	9.53	3.18	3.00	0.00	27.3	9.1	1.06	.286	0.00	0	2.01	50	6.35	1.2
15	Drew Pomeranz D. Pomeranz	0	2025	CHC	15	2	0	1.000	1	0.00	15	0	0	1	13.2	4	0	0	3	3	3	0	50	0	9.88	1.98	5.00	0.00	30.0	6.0	0.51	.138	0.00	0	2.19	57	2.63	2.6
16	Robert Stephenson R. Stephenson	0	2025	LAA	2	0	0		0	0.00	2	0	0	0	1.0	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	-0.94	-22	0.00	0.6
17	Hunter Strickland H. Strickland	0	2025	LAA	7	1	0	1.000	0	0.00	2	0	0	0	7.2	2	0	0	4	0	1	0	29	0	2.35	4.70	0.50	0.00	6.9	13.8	0.78	.087	0.00	0	4.11	98	2.35	0.1
18	Zach Thompson Z. Thompson	0	2025	ATL	2	0	0		0	0.00	3	0	0	0	3.2	0	0	0	1	0	0	0	12	1	7.36	2.45	3.00	0.00	25.0	8.3	0.27	.000	0.00	0	2.25	58	0.00	0.7
19	Rob Zastryzny R. Zastryzny	0	2025	MIL	8	1	0	1.000	1	0.00	10	0	0	0	7.1	5	0	0	2	0	1	1	29	0	12.27	2.45	5.00	0.00	34.5	6.9	0.95	.294	0.00	0	1.16	29	6.14	2.3
20	Jackson Kowar J. Kowar	0	2025	SEA	3	0	0		0	0.00	2	0	0	0	4.0	2	0	0	0	1	0	0	14	0	4.50	0.00		0.00	14.3	0.0	0.50	.182	0.00	0	2.81	72	4.50	0.5
21	Easton McGee E. McGee	0	2025	MIL	1	0	0		0	0.00	1	0	0	0	1.0	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	1.06	27	0.00	0.3
22	Nicky Lopez N. Lopez	0	2025	TOT	1	0	0		0	0.00	0	0	0	0	0.1	0	0	0	1	0	1	0	2	0	0.00	27.00	0.00	0.00	0.0	50.0	3.00	.000	0.00	0	12.06	289	0.00	-0.3
23	Brooks Kriske B. Kriske	0	2025	CHC	1	0	0		0	0.00	1	0	0	0	2.0	1	0	0	2	0	1	0	8	0	4.50	9.00	0.50	0.00	12.5	25.0	1.50	.200	0.00	0	5.06	131	4.50	-0.3
24	Weston Wilson W. Wilson	0	2025	PHI	1	0	0		0	0.00	0	0	0	0	2.0	2	0	0	0	0	1	0	8	0	0.00	0.00		0.00	0.0	0.0	1.00	.250	0.00	0	3.06	76	9.00	0.2
25	Davis Daniel D. Daniel	0	2025	ATL	1	0	0		0	0.00	1	0	0	0	1.0	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	4.06	105	0.00	0