lowest era with at least 4 losses by a player

John Weyhing has the best career ERA when losing 4+ games, with an ERA of 1.62.

	NAME	ERA	L	W	L%	G	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	John Weyhing J. Weyhing	1.62	4	3	.571	9	.429	8	30	7	0	0	66.2	53	12	29	0	21	1	1		274	1	4.05	2.84	1.43	0.00	10.9	7.7	1.11	.239	3.91	50	2.68	88	7.16	2.5
2	Al Spalding A. Spalding	1.78	12	48	.200	65	.800	61	41	53	8	1	539.2	559	107	238	6	26		4		2,272	1	0.68	0.43	1.58	0.10	1.8	1.1	1.08		3.97	74	2.38	99	9.32	9.6
3	Ed Walsh E. Walsh	1.82	126	195	.393	430	.607	315	1,736	250	57	35	2964.1	2,346	598	873	23	617	52	105		11,413	76	5.27	1.87	2.81	0.07	15.2	5.4	1.00	.259	2.65	69	2.02	79	7.12	164.3
4	Emmanuel Clase E. Clase	1.86	22	20	.524	341	.476	1	325	0	0	168	334.2	249	69	104	14	63	7	275	8	1,315	17	8.74	1.69	5.16	0.38	24.7	4.8	0.93	.259	2.80	45	2.40	58	6.70	65
5	Charlie Hodnett C. Hodnett	1.88	4	14	.222	18	.778	18	47	15	1	0	153.0	149	32	66	1	23		0		647	10	2.76	1.35	2.04	0.06	7.3	3.6	1.12		3.88	63	3.19	117	8.76	-8.8
6	Addie Joss A. Joss	1.89	97	160	.377	286	.623	260	920	234	45	5	2327.0	1,888	488	730	19	364	58	22		8,891	28	3.56	1.41	2.53	0.07	10.3	4.1	0.97	.248	2.82	70	2.25	86	7.30	88.8
7	Jim Devlin J. Devlin	1.89	60	65	.480	129	.520	129	263	127	9	0	1181.0	1,183	248	597	7	78		0		4,896	34	2.00	0.59	3.37	0.05	5.4	1.6	1.07		4.55	67	2.35	84	9.02	88.9
8	Laurie Reis L. Reis	2.00	4	4	.500	8	.500	8	19	8	1	0	72.0	84	16	42	1	10		0		310	3	2.38	1.25	1.90	0.13	6.1	3.2	1.31		5.25	81	2.76	104	10.50	-0.1
9	Jack Pfiester J. Pfiester	2.02	44	71	.383	149	.617	128	503	75	17	0	1067.1	869	240	365	6	293	39	12		4,236	16	4.24	2.47	1.72	0.05	11.9	6.9	1.09	.254	3.08	77	2.32	86	7.33	44.3
10	Joe Wood J. Wood	2.03	57	117	.328	225	.672	158	989	121	28	10	1434.1	1,138	324	497	10	421	49	56		5,640	43	6.21	2.64	2.35	0.06	17.5	7.5	1.09	.270	3.12	70	2.26	78	7.14	105.8
11	Mordecai Brown M. Brown	2.06	130	239	.352	481	.648	332	1,375	271	55	49	3172.1	2,708	725	1,044	43	673	61	138		12,422	61	3.90	1.91	2.04	0.12	11.1	5.4	1.07	.259	2.96	71	2.42	83	7.68	161.9
12	Jim St. Vrain J. St. Vrain	2.08	6	4	.600	12	.400	11	51	10	1	0	95.0	88	22	36	0	25	5	1		388	3	4.83	2.37	2.04	0.00	13.1	6.4	1.19	.287	3.41	78	2.54	91	8.34	2.3
13	Félix Bautista F. Bautista	2.09	7	12	.368	137	.632	0	215	0	0	55	142.1	78	33	39	13	60	3	89	1	557	10	13.59	3.79	3.58	0.82	38.6	10.8	0.97	.244	2.47	53	2.66	67	4.93	21.8
14	Paul Skenes P. Skenes	2.10	8	14	.364	34	.636	34	240	1	0	0	201.2	141	47	51	14	50	7	0	0	781	3	10.71	2.23	4.80	0.62	30.7	6.4	0.95	.270	2.28	50	2.50	62	6.29	34.3
15	John Ward J. Ward	2.10	103	164	.386	293	.614	262	920	245	24	3	2469.2	2,324	576	1,185	26	253		32		10,164	144	3.35	0.92	3.64	0.09	9.1	2.5	1.04		4.32	82	2.43	96	8.47	9.1
16	Christy Mathewson C. Mathewson	2.13	188	373	.335	636	.665	552	2,507	435	79	30	4788.2	4,219	1,135	1,620	89	848	59	73		18,913	115	4.71	1.59	2.96	0.17	13.3	4.5	1.06	.268	3.04	75	2.26	76	7.93	363
17	Ed Conley E. Conley	2.15	4	4	.500	8	.500	8	33	8	1	0	71.0	63	17	47	4	22		0		304	7	4.18	2.79	1.50	0.51	10.9	7.2	1.20		5.96	75	4.01	123	7.99	-7
18	Rube Waddell R. Waddell	2.16	143	193	.426	407	.574	340	2,316	261	50	5	2961.1	2,460	711	1,063	37	803	115	54		11,717	74	7.04	2.44	2.88	0.11	19.8	6.9	1.10	.287	3.23	75	2.03	71	7.48	262
19	Devin Williams D. Williams	2.16	12	29	.293	262	.707	0	398	0	0	72	253.2	144	61	78	15	123	13	106	3	1,033	15	14.12	4.36	3.24	0.53	38.5	11.9	1.05	.267	2.77	52	2.41	56	5.11	51.7
20	Walter Johnson W. Johnson	2.17	279	417	.401	802	.599	666	3,509	531	110	34	5914.1	4,913	1,424	1,902	97	1,363	205	127		23,405	154	5.34	2.07	2.57	0.15	15.0	5.8	1.06	.264	2.89	68	2.42	76	7.48	472.8
21	Glenn Liebhardt G. Liebhardt	2.17	35	36	.493	90	.507	66	280	49	7	2	612.2	543	148	225	3	183	14	23		2,419	21	4.11	2.69	1.53	0.04	11.6	7.6	1.18	.278	3.31	89	2.27	98	7.98	1.6
22	Mellie Wolfgang M. Wolfgang	2.18	14	15	.483	77	.517	27	111	15	3	0	326.0	268	79	115	3	95	4	37		1,269	3	3.06	2.62	1.17	0.08	8.7	7.5	1.11	.251	3.17	79	2.72	97	7.40	3
23	Carson Smith C. Smith	2.21	6	4	.600	108	.400	0	129	0	0	14	102.0	74	25	27	4	34	7	31	4	415	6	11.38	3.00	3.79	0.35	31.1	8.2	1.06	.290	2.38	55	2.32	58	6.53	19.3
24	Mariano Rivera M. Rivera	2.21	60	82	.423	1,115	.577	10	1,173	0	0	652	1283.2	998	315	340	71	286	46	952	41	5,103	13	8.22	2.01	4.10	0.50	23.0	5.6	1.00	.263	2.38	49	2.76	61	7.00	246.7
25	Len Swormstedt L. Swormstedt	2.22	4	3	.571	8	.429	7	22	7	0	0	65.0	58	16	25	3	10	3	1		256	0	3.05	1.38	2.20	0.42	8.6	3.9	1.05	.252	3.46	73	3.20	103	8.03	-0.7