mlb players by lowest h/er in a single season

49 players are tied for the fewest hit allowed per earned run in a season, with 0. The first three are Luke Little this season and Dellin Betances and James Paxton in 2021.

	NAME	H/ER	H	ER	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	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	Luke Little L. Little	0	0	1	2025	CHC	1	0	0		0	13.50	0	0	0	0	0.2	1	0	4	0	0	0	6	0	0.00	54.00	0.00	0.00	0.0	66.7	6.00	.000	13.50	332	21.10	527	0.00	-1.3
2	Dellin Betances D. Betances	0	0	1	2021	NYM	1	0	0		0	9.00	1	0	0	0	1.0	1	0	1	1	0	0	5	0	9.00	9.00	1.00	0.00	20.0	20.0	1.00	.000	9.00	226	7.16	171	0.00	-0.3
3	James Paxton J. Paxton	0	0	1	2021	SEA	1	0	0		1	6.75	2	0	0	0	1.1	1	0	1	0	0	0	5	1	13.50	6.75	2.00	0.00	40.0	20.0	0.75	.000	6.75	163	2.41	58	0.00	0.3
4	Andrew Vasquez A. Vasquez	0	0	3	2019	MIN	1	0	0		0		0	0	0	0	0.0	3	0	2	1	0	0	3	0			0.00		0.0	66.7
5	Rex Brothers R. Brothers	0	0	1	2018	ATL	1	0	0		0		0	0	0	0	0.0	1	0	2	0	0	0	2	0			0.00		0.0	100.0
6	Carlos Gomez C. Gomez	0	0	3	2018	TBR	1	0	0		0	81.00	0	0	0	0	0.1	3	0	4	0	0	0	5	0	0.00	108.00	0.00	0.00	0.0	80.0	12.00	.000	81.00	1978	39.16	965	0.00	-1.4
7	Rafael Martin R. Martin	0	0	1	2016	WSH	8	0	0		0	2.45	5	0	0	0	3.2	1	0	1	0	2	0	12	0	12.27	2.45	5.00	0.00	41.7	8.3	0.27	.000	2.45	58	1.23	30	0.00	1.2
8	Conor Mullee C. Mullee	0	0	1	2016	NYY	3	0	0		0	3.00	4	0	0	0	3.0	1	0	4	1	1	0	14	0	12.00	12.00	1.00	0.00	28.6	28.6	1.33	.000	3.00	71	5.47	124	0.00	-0.3
9	Juan Jaime J. Jaime	0	0	1	2015	ATL	2	0	1	.000	0	6.75	1	0	0	0	1.1	1	0	4	0	1	1	8	0	6.75	27.00	0.25	0.00	12.5	50.0	3.00	.000	6.75	175	10.63	283	0.00	-1.1
10	Mike Carp M. Carp	0	0	1	2014	TOT	1	0	0		0	9.00	0	0	0	0	1.0	1	0	5	0	1	0	7	0	0.00	45.00	0.00	0.00	0.0	71.4	5.00	.000	9.00	225	18.13	484	0.00	-1.6
11	Jose Ortega J. Ortega	0	0	4	2014	DET	1	0	1	.000	0	27.00	1	0	0	0	1.1	4	0	4	1	0	0	9	0	6.75	27.00	0.25	0.00	11.1	44.4	3.00	.000	27.00	701	12.88	337	0.00	-1.3
12	Rubby De La Rosa R. De La Rosa	0	0	2	2012	LAD	1	0	0		0	27.00	0	0	0	0	0.2	2	0	2	0	0	0	4	0	0.00	27.00	0.00	0.00	0.0	50.0	3.00	.000	27.00	713	12.09	310	0.00	-0.6
13	Wilmer Font W. Font	0	0	2	2012	TEX	3	0	0		0	9.00	1	0	0	0	2.0	2	0	4	0	0	0	10	1	4.50	18.00	0.25	0.00	10.0	40.0	2.00	.000	9.00	208	8.09	190	0.00	-0.8
14	Kevin Whelan K. Whelan	0	0	1	2011	NYY	2	0	0		0	5.40	1	0	0	0	1.2	1	0	5	0	1	0	10	0	5.40	27.00	0.20	0.00	10.0	50.0	3.00	.000	5.40	129	10.82	257	0.00	-1.2
15	Wes Whisler W. Whisler	0	0	2	2009	CWS	3	0	0		0	13.50	2	0	0	0	1.1	2	0	3	0	2	0	7	1	13.50	20.25	0.67	0.00	28.6	42.9	2.25	.000	13.50	294	6.84	149	0.00	-0.3
16	Dan Serafini D. Serafini	0	0	2	2007	COL	3	0	0		0	54.00	0	0	0	0	0.1	2	0	2	1	0	0	4	0	0.00	54.00	0.00	0.00	0.0	50.0	6.00	.000	54.00	1130	30.23	648	0.00	-0.9
17	Jesus Colome J. Colome	0	0	1	2006	TBD	1	0	0		0	27.00	0	0	0	0	0.1	1	0	1	0	0	0	2	0	0.00	27.00	0.00	0.00	0.0	50.0	3.00	.000	27.00	605	12.14	269	0.00	-0.3
18	Andy Pratt A. Pratt	0	0	4	2004	CHC	4	0	1	.000	0	21.60	1	0	0	0	1.2	4	0	7	1	1	1	13	0	5.40	37.80	0.14	0.00	7.7	53.8	4.20	.000	21.60	497	16.24	362	0.00	-2.1
19	Jay Tessmer J. Tessmer	0	0	1	2002	NYY	2	0	0		0	6.75	0	0	0	0	1.1	1	0	2	0	0	0	6	0	0.00	13.50	0.00	0.00	0.0	33.3	1.50	.000	6.75	153	7.45	171	0.00	-0.5
20	Jason Rakers J. Rakers	0	0	1	1998	CLE	1	0	0		0	9.00	0	0	0	0	1.0	1	0	3	0	1	0	6	0	0.00	27.00	0.00	0.00	0.0	50.0	3.00	.000	9.00	190	12.13	266	0.00	-0.8
21	Gino Minutelli G. Minutelli	0	0	1	1990	CIN	2	0	0		0	9.00	0	0	0	0	1.0	1	0	2	1	0	0	6	1	0.00	18.00	0.00	0.00	0.0	33.3	2.00	.000	9.00	231	11.80	297	0.00	-0.8
22	Mickey Hatcher M. Hatcher	0	0	1	1989	LAD	1	0	0		0	9.00	0	0	0	0	1.0	1	0	3	1	1	0	6	0	0.00	27.00	0.00	0.00	0.0	50.0	3.00	.000	9.00	265	14.75	419	0.00	-1.3
23	Bob Apodaca B. Apodaca	0	0	1	1973	NYM	1	0	0		0		0	0	0	0	0.0	1	0	2	0	0	0	2	0			0.00		0.0	100.0
24	Terry Wilshusen T. Wilshusen	0	0	3	1973	CAL	1	0	0		0	81.00	0	0	0	0	0.1	3	0	2	1	0	0	4	0	0.00	54.00	0.00	0.00	0.0	50.0	6.00	.000	81.00	2258	29.56	828	0.00	-1
25	Jim Ray J. Ray	0	0	1	1966	HOU	1	0	0		0		0	0	0	0	0.0	1	0	1	0	0	0	1	0			0.00		0.0	100.0