starting pitcher with the highest innings pitched per earned runs last 3 seasons with at least 15 games started

Since 2023, Shawn Armstrong has the most innings pitched per earned run by a starting pitcher when starting 15+ games, with 5.6.

	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	Shawn Armstrong S. Armstrong	5.6	15	28.0	5	15	0	2	.000	1.61	36	0	0	0	22	7	1	7	0	0	0	111	0	11.57	2.25	5.14	0.32	32.4	6.3	1.04	.313	2.25	7.07
2	Paul Skenes P. Skenes	4.43	40	239.0	54	40	15	10	.600	2.03	280	1	0	0	161	59	15	61	8	0	0	923	4	10.54	2.30	4.59	0.56	30.3	6.6	0.93	.261	2.22	6.06
3	Reynaldo López R. López	4.23	26	139.2	33	26	8	5	.615	2.13	147	0	0	0	117	35	11	44	2	0	0	565	2	9.47	2.84	3.34	0.71	26.0	7.8	1.15	.294	2.26	7.54
4	Jacob deGrom J. deGrom	4.13	25	136.1	33	25	10	2	.833	2.18	153	0	0	0	94	35	12	25	3	0	0	522	2	10.10	1.65	6.12	0.79	29.3	4.8	0.87	.249	2.31	6.21
5	Kris Bubic K. Bubic	3.69	18	107.0	29	18	6	7	.462	2.44	112	0	0	0	95	33	5	29	4	0	1	437	2	9.42	2.44	3.86	0.42	25.6	6.6	1.16	.314	2.78	7.99
6	Tarik Skubal T. Skubal	3.67	62	374.1	102	62	34	9	.791	2.45	455	1	1	0	276	108	27	62	15	0	0	1,453	4	10.94	1.49	7.34	0.65	31.3	4.3	0.90	.279	2.60	6.64
7	Kodai Senga K. Senga	3.56	43	245.1	69	43	20	10	.667	2.53	281	0	0	0	179	77	22	109	7	0	0	1,007	18	10.31	4.00	2.58	0.81	27.9	10.8	1.17	.267	2.82	6.57
8	Blake Snell B. Snell	3.53	54	293.0	83	54	20	12	.625	2.55	383	1	1	0	190	92	21	151	4	0	0	1,206	23	11.76	4.64	2.54	0.65	31.8	12.5	1.16	.261	2.83	5.84
9	Drew Rasmussen D. Rasmussen	3.49	28	136.0	39	28	11	7	.611	2.58	125	0	0	0	104	40	10	31	5	0	0	527	4	8.27	2.05	4.03	0.66	23.7	5.9	0.99	.264	2.65	6.88
10	Max Fried M. Fried	3.33	60	360.0	108	60	29	13	.690	2.70	350	3	2	0	297	124	27	96	15	0	0	1,450	13	8.75	2.40	3.65	0.68	24.1	6.6	1.09	.281	3.10	7.43
11	Michael King M. King	3.33	49	266.1	80	49	17	15	.531	2.70	311	1	1	0	217	99	26	86	9	0	2	1,097	5	10.51	2.91	3.62	0.88	28.4	7.8	1.14	.287	3.35	7.33
12	Yoshinobu Yamamoto Y. Yamamoto	3.21	34	179.2	56	34	14	8	.636	2.81	206	0	0	0	141	61	16	53	3	0	0	724	6	10.32	2.65	3.89	0.80	28.5	7.3	1.08	.280	3.06	7.06
13	Tyler Mahle T. Mahle	3.2	22	115.1	36	22	7	6	.538	2.81	94	0	0	0	96	38	10	36	1	0	0	466	1	7.34	2.81	2.61	0.78	20.2	7.7	1.14	.265	2.97	7.49
14	Kyle Bradish K. Bradish	3.2	38	208.0	65	38	14	7	.667	2.81	221	0	0	0	159	66	16	59	11	0	0	834	11	9.56	2.55	3.75	0.69	26.5	7.1	1.05	.271	2.86	6.88
15	Gerrit Cole G. Cole	3.13	50	304.0	97	50	23	9	.719	2.87	321	2	2	0	235	102	31	77	13	0	2	1,211	4	9.50	2.28	4.17	0.92	26.5	6.4	1.03	.265	3.02	6.96
16	Shota Imanaga S. Imanaga	3.11	37	218.0	70	37	18	5	.783	2.89	208	0	0	0	184	81	34	42	3	0	0	875	3	8.59	1.73	4.95	1.40	23.8	4.8	1.04	.255	3.34	7.60
17	Clayton Kershaw C. Kershaw	3.08	38	194.1	63	38	18	7	.720	2.92	185	0	0	0	167	72	25	61	5	0	1	792	10	8.57	2.83	3.03	1.16	23.4	7.7	1.17	.275	3.33	7.73
18	Garrett Crochet G. Crochet	3.08	49	255.1	83	49	13	16	.448	2.93	344	0	0	0	203	89	27	64	5	0	0	1,026	5	12.13	2.26	5.38	0.95	33.5	6.2	1.05	.300	3.14	7.16
19	Chris Sale C. Sale	3.06	64	369.2	121	64	29	12	.707	2.95	464	0	0	0	306	127	31	94	23	0	0	1,497	9	11.30	2.29	4.94	0.75	31.0	6.3	1.08	.311	3.09	7.45
20	Clay Holmes C. Holmes	3.03	16	88.0	29	16	8	4	.667	2.97	75	0	0	0	74	31	10	35	4	0	0	368	5	7.67	3.58	2.14	1.02	20.4	9.5	1.24	.262	3.17	7.57
21	Zack Wheeler Z. Wheeler	3.03	80	491.0	162	80	36	16	.692	2.97	562	0	0	0	374	173	50	116	19	0	0	1,957	10	10.30	2.13	4.84	0.92	28.7	5.9	1.00	.268	3.17	6.86
22	Corbin Burnes C. Burnes	2.92	75	452.1	155	75	28	19	.596	3.08	444	0	0	0	355	176	51	140	13	0	1	1,833	18	8.83	2.79	3.17	1.01	24.2	7.6	1.09	.257	3.50	7.06
23	Framber Valdez F. Valdez	2.88	75	477.1	166	75	35	22	.614	3.13	471	5	2	0	385	179	38	149	20	0	0	1,925	19	8.88	2.81	3.16	0.72	24.5	7.7	1.12	.278	3.38	7.26
24	Shohei Ohtani S. Ohtani	2.85	25	134.0	47	25	10	5	.667	3.16	169	1	1	0	87	51	18	55	11	0	0	540	14	11.35	3.69	3.07	1.21	31.3	10.2	1.06	.240	3.43	5.84
25	Seth Lugo S. Lugo	2.83	73	436.0	154	73	28	21	.571	3.18	389	1	0	0	381	166	47	107	15	0	2	1,766	10	8.03	2.21	3.64	0.97	22.0	6.1	1.12	.276	3.43	7.86