John McMillon has the most strikeouts / hits allowed + walks allowed in a season, with 8 in 2023.

Interpreted as:

most k / (h + bb) in a season 100 ip by a player

	NAME	SO/(H+BB)	IP	SO	H	BB	SEASON	TM	G	W	L	W%	GS	ERA	CG	SHO	SV	ER	R	HR	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 McMillon J. McMillon	8	4.0	8	1	0	2023	KCR	4	0	0		0	2.25	0	0	0	1	1	1	0	3	0	13	0	18.00	0.00		2.25	61.5	0.0	0.25	.000	2.25	50	2.50	58	2.25	0.8
2	Julio Urías J. Urías	7	4.0	7	1	0	2018	LAD	3	0	0		0	0.00	0	0	0	0	0	0	0	3	0	13	0	15.75	0.00		0.00	53.8	0.0	0.25	.167	0.00	0	-0.34	-9	2.25	2
3	Sean Doolittle S. Doolittle	6	5.1	6	1	0	2022	WSH	6	0	0		0	0.00	0	0	0	0	0	0	0	0	0	17	0	10.13	0.00		0.00	35.3	0.0	0.19	.091	0.00	0	0.86	21	1.69	1.9
4	Alek Jacob A. Jacob	5	3.0	5	0	1	2023	SDP	3	0	0		0	0.00	0	0	0	0	0	0	0	2	0	10	0	15.00	3.00	5.00	0.00	50.0	10.0	0.33	.000	0.00	0	0.92	21	0.00	1.1
5	Pat Venditte P. Venditte	5	4.1	5	1	0	2020	MIA	3	0	0		0	0.00	0	0	0	0	0	0	2	2	0	15	0	10.38	0.00		0.00	33.3	0.0	0.23	.125	0.00	0	2.26	52	2.08	1
6	Rafael Martin R. Martin	5	3.2	5	0	1	2016	WSH	8	0	0		0	2.45	0	0	0	1	1	0	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
7	Tony Menendez T. Menendez	5	4.2	5	1	0	1992	CIN	3	1	0	1.000	0	1.93	0	0	0	1	1	1	0	1	0	15	0	9.64	0.00		1.93	33.3	0.0	0.21	.000	1.93	54	3.42	94	1.93	0.1
8	Ralph Terry R. Terry	5	3.1	5	1	0	1967	NYM	2	0	0		0	0.00	0	0	0	0	0	0	0	1	0	11	0	13.50	0.00		0.00	45.5	0.0	0.30	.167	0.00	0	-0.46	-14	2.70	1.4
9	Steven Cruz S. Cruz	4	5.2	4	1	0	2024	KCR	5	0	0		0	0.00	0	0	0	0	0	0	0	3	0	18	1	6.35	0.00		0.00	22.2	0.0	0.18	.071	0.00	0	1.75	43	1.59	1.5
10	Yoendrys Gómez Y. Gómez	4	2.0	4	1	0	2023	NYY	1	0	0		0	0.00	0	0	0	0	0	0	1	1	0	8	0	18.00	0.00		0.00	50.0	0.0	0.50	.333	0.00	0	0.75	17	4.50	0.8
11	Reymin Guduan R. Guduan	4	3.1	4	1	0	2018	HOU	3	0	0		0	2.70	0	0	0	1	1	1	0	2	0	11	0	10.80	0.00		2.70	36.4	0.0	0.30	.000	2.70	66	4.66	112	2.70	-0.2
12	Matt Grace M. Grace	4	3.0	4	1	0	2016	WSH	6	0	0		0	0.00	0	0	0	0	0	0	0	2	0	10	0	12.00	0.00		0.00	40.0	0.0	0.33	.167	0.00	0	0.47	11	3.00	1.2
13	Dan Winkler D. Winkler	4	2.1	4	0	1	2016	ATL	3	0	0		0	0.00	0	0	0	0	0	0	0	0	0	8	0	15.43	3.86	4.00	0.00	50.0	12.5	0.43	.000	0.00	0	1.00	25	0.00	0.8
14	Matt Daley M. Daley	4	6.0	8	2	0	2013	NYY	7	1	0	1.000	0	0.00	0	0	0	0	0	0	1	4	0	21	0	12.00	0.00		0.00	38.1	0.0	0.33	.167	0.00	0	0.88	21	3.00	2.1
15	Charlie Comiskey C. Comiskey	4	4.0	4	1	0	1884	SLA	1	0	0		0	2.25	0	0	0	1	1	0	0	1		17	0	9.00	0.00		0.00	23.5	0.0	0.25	.077	2.25	68	1.27	39	2.25	0.9
16	Ed Cushman E. Cushman	3.62	36.0	47	10	3	1884	MIL	4	4	0	1.000	4	1.00	4	2	0	4	4	0		0		125	1	11.75	0.75	15.67	0.00	37.6	2.4	0.36		1.00	8	0.91	8	2.50	17.4
17	Brad Wieck B. Wieck	3.33	7.0	10	3	0	2018	SDP	5	0	0		0	1.29	0	0	0	1	1	1	0	0	0	24	0	12.86	0.00		1.29	41.7	0.0	0.43	.154	1.29	33	2.16	54	3.86	1.5
18	Nick Anderson N. Anderson	3.25	16.1	26	5	3	2020	TBR	19	2	1	.667	0	0.55	0	0	6	1	2	1	0	9	0	58	0	14.33	1.65	8.67	0.55	44.8	5.2	0.49	.143	1.10	13	1.35	32	2.76	5.5
19	Devin Williams D. Williams	3.12	27.0	53	8	9	2020	MIL	22	4	1	.800	0	0.33	0	0	0	1	4	1	1	1	0	100	3	17.67	3.00	5.89	0.33	53.0	9.0	0.63	.194	1.33	7	0.85	19	2.67	10.8
20	Kodai Senga K. Senga	3	5.1	9	2	1	2024	NYM	1	1	0	1.000	1	3.38	0	0	0	2	2	1	1	0	0	20	0	15.19	1.69	9.00	1.69	45.0	5.0	0.56	.125	3.38	85	3.35	83	3.38	0.4
21	Tyler Duffey T. Duffey	3	2.0	3	1	0	2023	CHC	1	0	0		0	4.50	0	0	0	1	1	1	0	0	0	7	0	13.50	0.00		4.50	42.9	0.0	0.50	.000	4.50	106	6.75	157	4.50	-0.6
22	Jeffrey Springs J. Springs	3	16.0	24	4	4	2023	TBR	3	2	0	1.000	3	0.56	0	0	0	1	1	1	0	0	0	55	0	13.50	2.25	6.00	0.56	43.6	7.3	0.50	.115	0.56	14	1.81	44	2.25	4.3
23	Blake Treinen B. Treinen	3	5.0	6	1	1	2022	LAD	5	1	1	.500	0	1.80	0	0	0	1	1	1	0	1	0	17	0	10.80	1.80	6.00	1.80	35.3	5.9	0.40	.000	1.80	46	3.91	97	1.80	0.1
24	Andrew Vasquez A. Vasquez	3	1.2	3	1	0	2021	LAD	2	0	0		0	0.00	0	0	0	0	1	0	0	1	0	6	0	16.20	0.00		0.00	50.0	0.0	0.60	.333	5.40	0	-0.44	-10	5.40	0.9
25	Luke Maile L. Maile	3	2.0	3	1	0	2019	TOR	2	0	0		0	0.00	0	0	0	0	0	0	1	2	0	8	0	13.50	0.00		0.00	37.5	0.0	0.50	.250	0.00	0	1.70	37	4.50	0.6