starting pitcher with the highest innings pitched per earned runs in mlb history with at least 100 games started

Jacob deGrom has the most career innings pitched per earned run by a starting pitcher when starting 100+ games, with 3.61.

	NAME	IP/ER	GS	IP	ER	G	W	L	W%	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	Jacob deGrom J. deGrom	3.61	234	1462.1	405	234	92	59	.609	2.49	1,760	4	2	0	1,115	442	129	328	24	0	13	5,739	28	10.83	2.02	5.37	0.79	30.7	5.7	0.99	.282	2.72	6.86
2	Clayton Kershaw C. Kershaw	3.58	437	2777.1	775	437	216	94	.697	2.51	2,992	25	15	0	2,122	850	232	689	44	0	27	10,957	105	9.70	2.23	4.34	0.75	27.3	6.3	1.01	.270	2.75	6.88
3	Sandy Koufax S. Koufax	3.32	314	2202.1	663	314	159	85	.652	2.71	2,274	137	40	0	1,655	751	194	742	17	0	46	8,959	76	9.29	3.03	3.06	0.79	25.4	8.3	1.09	.255	3.07	6.76
4	Whitey Ford W. Ford	3.32	438	3038.0	916	438	227	99	.696	2.71	1,857	156	45	0	2,647	1,050	220	1,014	27	0	39	12,468	72	5.50	3.00	1.83	0.65	14.9	8.1	1.21	.260	3.11	7.84
5	Spud Chandler S. Chandler	3.24	184	1442.1	445	184	106	42	.716	2.78	603	109	26	0	1,279	525	63	445	19	0		5,915	18	3.76	2.78	1.36	0.39	10.2	7.5	1.20	.254	3.28	7.98
6	Jim Palmer J. Palmer	3.21	521	3857.0	1,202	521	262	148	.639	2.80	2,142	211	53	0	3,256	1,334	292	1,259	37	0	36	15,714	83	5.00	2.94	1.70	0.68	13.6	8.0	1.17	.247	3.11	7.60
7	Tex Hughson T. Hughson	3.19	156	1232.2	387	156	86	51	.628	2.83	627	99	19	0	1,129	432	71	311	10	0		5,046	2	4.58	2.27	2.02	0.52	12.4	6.2	1.17	.263	3.15	8.24
8	Tom Seaver T. Seaver	3.15	647	4776.1	1,517	647	310	203	.604	2.86	3,634	231	61	0	3,961	1,670	378	1,387	76	0	115	19,337	123	6.85	2.61	2.62	0.71	18.8	7.2	1.12	.258	3.15	7.46
9	Bob Gibson B. Gibson	3.12	482	3796.1	1,216	482	245	170	.590	2.88	3,044	255	56	0	3,199	1,376	250	1,277	99	0	107	15,669	105	7.22	3.03	2.38	0.59	19.4	8.1	1.18	.268	3.26	7.58
10	Juan Marichal J. Marichal	3.11	457	3476.1	1,118	457	238	140	.630	2.89	2,284	244	52	0	3,133	1,320	318	701	38	0	82	14,118	51	5.91	1.81	3.26	0.82	16.2	5.0	1.10	.261	3.42	8.11
11	Andy Messersmith A. Messersmith	3.08	295	2133.1	692	295	125	99	.558	2.92	1,528	98	27	0	1,674	795	168	795	39	0	37	8,751	69	6.45	3.35	1.92	0.71	17.5	9.1	1.16	.242	3.35	7.06
12	Max Fried M. Fried	3.06	168	967.1	316	168	83	36	.697	2.94	939	6	4	0	845	352	79	252	40	0	5	3,932	43	8.74	2.34	3.73	0.74	23.9	6.4	1.13	.292	3.27	7.86
13	Dean Chance D. Chance	3.06	294	1949.1	637	294	111	105	.514	2.94	1,402	83	33	0	1,682	763	111	663	64	0	58	8,082	60	6.47	3.06	2.11	0.51	17.3	8.2	1.20	.269	3.52	7.77
14	Don Drysdale D. Drysdale	3.05	465	3338.1	1,095	465	203	160	.559	2.95	2,417	167	49	0	2,999	1,260	275	821	148	0	114	13,700	79	6.52	2.21	2.94	0.74	17.6	6.0	1.14	.271	3.40	8.09
15	Pedro Martinez P. Martinez	3.05	409	2720.0	893	409	208	97	.682	2.95	3,032	46	17	0	2,151	979	233	705	136	0	26	10,955	60	10.03	2.33	4.30	0.77	27.7	6.4	1.05	.280	3.24	7.12
16	Mel Stottlemyre M. Stottlemyre	3.04	356	2654.2	874	356	164	138	.543	2.96	1,254	152	40	0	2,428	999	170	804	44	0	75	10,942	57	4.25	2.73	1.56	0.58	11.5	7.3	1.22	.260	3.39	8.23
17	Mort Cooper M. Cooper	3.03	239	1741.2	574	239	119	71	.626	2.97	843	128	33	0	1,580	663	75	518	27	0		7,219	23	4.36	2.68	1.63	0.39	11.7	7.2	1.20	.261	3.43	8.16
18	Harry Brecheen H. Brecheen	3.03	240	1725.0	569	240	118	83	.587	2.97	805	125	25	0	1,586	641	106	468	36	0		7,088	15	4.20	2.44	1.72	0.55	11.4	6.6	1.19	.261	3.34	8.27
19	Bob Veale B. Veale	3.02	255	1764.1	585	255	109	90	.548	2.98	1,553	78	20	0	1,507	675	79	780	29	0	51	7,444	76	7.92	3.98	1.99	0.40	20.9	10.5	1.30	.285	3.44	7.69
20	Corbin Burnes C. Burnes	2.99	149	886.0	296	149	55	35	.611	3.01	1,015	0	0	0	683	327	93	249	34	0	1	3,567	39	10.31	2.53	4.08	0.94	28.5	7.0	1.05	.271	3.32	6.94
21	Chris Sale C. Sale	2.96	307	1952.1	659	307	139	84	.623	3.04	2,416	16	3	0	1,600	711	201	443	124	0	12	7,863	44	11.14	2.04	5.45	0.93	30.7	5.6	1.05	.299	3.28	7.38
22	Dizzy Dean D. Dean	2.95	230	1811.0	613	230	138	65	.680	3.05	1,039	154	26	0	1,771	714	90	415	27	0		7,539	10	5.16	2.06	2.50	0.45	13.8	5.5	1.21	.282	3.55	8.80
23	Carl Hubbell C. Hubbell	2.95	433	3357.2	1,138	433	233	146	.615	3.05	1,556	260	36	0	3,261	1,326	221	682	49	0		13,890	46	4.17	1.83	2.28	0.59	11.2	4.9	1.17	.267	3.55	8.74
24	Warren Spahn W. Spahn	2.93	665	5101.0	1,743	665	358	227	.612	3.08	2,501	382	63	0	4,703	1,951	422	1,383	39	0	52	20,960	74	4.41	2.44	1.81	0.74	11.9	6.6	1.19	.258	3.44	8.30
25	Max Lanier M. Lanier	2.92	204	1379.2	472	204	88	72	.550	3.08	692	91	21	0	1,287	543	57	503	16	0		5,774	8	4.51	3.28	1.38	0.37	12.0	8.7	1.30	.273	3.54	8.40