lowest earned run in a season with minimum 100 innings pitched by starting pitcher

Red Munger has given up the fewest earned runs by a starting pitcher with 100.0+ innings pitched in a season, with 14 earned runs in 1944.

	NAME	ER	IP	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	H	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Red Munger R. Munger	14	100.0	1944	SLN	12	9	2	.818	12	1.26	43	7	2	0	78	19	1	34	2	0		396	0	3.87	3.06	1.26	0.09	10.9	8.6	1.12	.244	1.71	7.02
2	George Witt G. Witt	16	100.2	1958	PIT	15	9	2	.818	15	1.43	76	5	3	0	73	19	2	53	2	0	2	414	2	6.79	4.74	1.43	0.18	18.4	12.8	1.25	.253	1.70	6.53
3	Cal Eldred C. Eldred	20	100.1	1992	MIL	14	11	2	.846	14	1.79	62	2	1	0	76	21	4	23	2	0	0	394	3	5.56	2.06	2.70	0.36	15.7	5.8	0.99	.238	1.88	6.82
4	Clay Buchholz C. Buchholz	21	108.1	2013	BOS	16	12	1	.923	16	1.74	96	1	1	0	75	23	4	36	1	0	0	416	1	7.98	2.99	2.67	0.33	23.1	8.7	1.02	.254	1.91	6.23
5	Nelson Briles N. Briles	22	104.2	1967	STL	14	10	2	.833	14	1.89	56	4	2	0	87	25	5	21	3	0	1	421	2	4.82	1.81	2.67	0.43	13.3	5.0	1.03	.244	2.15	7.48
6	Steve Rogers S. Rogers	23	134.0	1973	MON	17	10	5	.667	17	1.54	64	7	3	0	93	28	5	49	1	0	3	526	3	4.30	3.29	1.31	0.34	12.2	9.3	1.06	.216	1.88	6.25
7	Ed Wright E. Wright	23	104.1	1945	BSN	12	8	3	.727	12	1.98	22	7	1	0	93	27	5	29	0	0		414	0	1.90	2.50	0.76	0.43	5.3	7.0	1.17	.246	2.33	8.02
8	Howie Pollet H. Pollet	23	116.1	1943	SLN	14	8	4	.667	14	1.78	59	12	5	0	82	26	2	32	2	0		449	2	4.56	2.48	1.84	0.15	13.1	7.1	0.98	.226	2.01	6.34
9	Dave Righetti D. Righetti	24	105.1	1981	NYY	15	8	4	.667	15	2.05	89	2	0	0	75	25	1	38	0	0	0	422	1	7.60	3.25	2.34	0.09	21.1	9.0	1.07	.252	2.14	6.41
10	J.R. Richard	24	113.2	1980	HOU	17	10	4	.714	17	1.90	119	4	4	0	65	31	2	40	0	0	1	438	2	9.42	3.17	2.98	0.16	27.2	9.1	0.92	.227	2.45	5.15
11	Mickey Haefner M. Haefner	24	103.0	1943	WSH	13	8	4	.667	13	2.10	35	8	1	0	77	37	4	37	3	0		422	2	3.06	3.23	0.95	0.35	8.3	8.8	1.11	.213	3.23	6.73
12	Rich Hill R. Hill	26	110.1	2016	TOT	20	12	5	.706	20	2.12	129	0	0	0	77	29	4	33	8	0	0	439	0	10.52	2.69	3.91	0.33	29.4	7.5	1.00	.275	2.37	6.28
13	Marty Pattin M. Pattin	26	104.1	1976	KCR	15	7	6	.538	15	2.24	40	4	1	0	78	37	5	26	1	0	6	413	1	3.45	2.24	1.54	0.43	9.7	6.3	1.00	.214	3.19	6.73
14	Jim Kaat J. Kaat	26	113.1	1972	MIN	15	10	2	.833	15	2.06	64	5	0	0	94	36	6	20	0	0	2	443	2	5.08	1.59	3.20	0.48	14.4	4.5	1.01	.249	2.86	7.46
15	Roger Craig R. Craig	26	119.0	1959	LAD	17	9	5	.643	17	1.97	63	7	4	0	94	40	10	38	1	0	1	479	2	4.76	2.87	1.66	0.76	13.2	7.9	1.11	.229	3.03	7.11
16	Jim Hardin J. Hardin	27	100.0	1967	BAL	14	8	3	.727	14	2.43	55	5	2	0	78	29	5	26	3	0	0	397	1	4.95	2.34	2.12	0.45	13.9	6.5	1.04	.237	2.61	7.02
17	Jim Hearn J. Hearn	27	125.0	1950	NYG	16	11	3	.786	16	1.94	55	11	5	0	73	33	8	38	0	0		467	4	3.96	2.74	1.45	0.58	11.8	8.1	0.89	.178	2.38	5.26
18	Whit Wyatt W. Wyatt	27	106.1	1939	BKN	14	6	3	.667	14	2.29	50	6	2	0	85	32	3	34	1	0		435	2	4.23	2.88	1.47	0.25	11.5	7.8	1.12	.236	2.71	7.19
19	Clayton Kershaw C. Kershaw	28	149.0	2016	LAD	21	12	4	.750	21	1.69	172	3	3	0	97	31	8	11	2	0	1	544	5	10.39	0.66	15.64	0.48	31.6	2.0	0.72	.254	1.87	5.86
20	Mark Portugal M. Portugal	28	100.1	1992	HOU	16	5	3	.625	16	2.51	61	1	1	0	75	30	7	39	1	0	3	399	1	5.47	3.50	1.56	0.63	15.3	9.8	1.14	.234	2.69	6.73
21	Danny Darwin D. Darwin	28	117.2	1990	HOU	17	9	3	.750	17	2.14	74	3	0	0	98	29	6	23	2	0	1	466	0	5.66	1.76	3.22	0.46	15.9	4.9	1.03	.255	2.22	7.50
22	Nolan Ryan N. Ryan	28	149.0	1981	HOU	21	11	5	.688	21	1.69	140	5	3	0	99	34	2	68	1	0	1	605	16	8.46	4.11	2.06	0.12	23.1	11.2	1.12	.246	2.05	5.98
23	Jim Perry J. Perry	28	101.1	1959	CLE	13	6	6	.500	13	2.49	41	8	2	0	84	34	4	36	2	0	5	415	1	3.64	3.20	1.14	0.36	9.9	8.7	1.18	.241	3.02	7.46
24	Curt Davis C. Davis	28	127.2	1941	BKN	16	11	4	.733	16	1.97	40	10	5	0	106	34	1	22	2	0		502	2	2.82	1.55	1.82	0.07	8.0	4.4	1.00	.240	2.40	7.47
25	Paul Skenes P. Skenes	29	133.0	2024	PIT	23	11	3	.786	23	1.96	170	0	0	0	94	31	10	32	6	0	0	514	2	11.50	2.17	5.31	0.68	33.1	6.2	0.95	.284	2.10	6.36