most strikeouts per plate appearance in a season not by pitcher minimum 80 pa

Dean Chance has the most strikeouts per plate appearance by a pitcher with 80+ plate appearances in a season, with 0.66 in 1965.

	NAME	SO/PA	PA	SO	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SB	CS	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	wRC	WRAA	wOBA	wRC+	BRAA
1	Dean Chance D. Chance	0.66	85	56	1965	CAL	36	75	3	7	1	0	0	5	5	0	0	0	8	1	5	0	0	0	.093	.150	.107	.257	-2	-11.3	.127	-20	-11.5
2	Jerry Koosman J. Koosman	0.64	97	62	1968	NYM	35	91	3	7	1	0	1	4	3	0	0	0	11	2	3	0	0	1	.077	.106	.121	.227	-3	-12.1	.109	-33	-12.8
3	Bill Stoneman B. Stoneman	0.63	87	55	1969	MON	42	73	5	4	2	0	0	0	6	0	0	0	6	2	8	0	0	0	.055	.127	.082	.209	-4	-13.2	.110	-41	-14
4	Gary Gentry G. Gentry	0.62	84	52	1969	NYM	35	74	2	6	1	0	0	1	1	1	0	0	7	1	7	1	0	0	.081	.104	.095	.198	-5	-13.6	.095	-47	-14.2
5	Jim Nash J. Nash	0.62	81	50	1968	OAK	34	74	4	5	1	0	2	6	1	0	0	0	12	3	6	0	0	0	.068	.080	.162	.242	-2	-9.9	.114	-27	-10.1
6	Bob Veale B. Veale	0.62	86	53	1968	PIT	36	82	2	9	1	0	0	1	2	0	0	0	10	1	2	0	0	2	.110	.131	.122	.253	-2	-10.2	.119	-26	-10.7
7	Dean Chance D. Chance	0.61	88	54	1966	CAL	41	76	1	2	0	0	0	0	3	1	0	0	2	0	8	0	0	0	.026	.075	.026	.101	-7	-16.3	.057	-69	-16.3
8	Dean Chance D. Chance	0.59	106	63	1968	MIN	43	93	0	5	0	0	0	3	3	1	0	0	5	0	9	0	0	0	.054	.093	.054	.147	-6	-15.7	.075	-60	-16.7
9	Hank Aguirre H. Aguirre	0.59	81	48	1963	DET	38	76	5	10	3	0	0	6	3	0	1	0	13	3	2	0	0	0	.132	.165	.171	.336	-1	-9	.155	-7	-10
10	Ken Johnson K. Johnson	0.59	83	49	1964	HOU	35	76	4	6	1	0	1	1	2	1	0	0	10	2	4	0	0	0	.079	.114	.132	.246	-3	-12	.116	-29	-12.1
11	Hank Aguirre H. Aguirre	0.57	80	46	1962	DET	42	75	0	2	0	0	0	1	1	0	0	0	2	0	4	0	0	1	.027	.039	.027	.066	-9	-18.2	.033	-91	-19
12	Al Leiter A. Leiter	0.56	81	45	1996	FLA	33	70	3	7	0	0	0	1	4	0	0	0	7	0	7	0	0	1	.100	.149	.100	.249	-4	-14.6	.124	-39	-14.2
13	Bill Stoneman B. Stoneman	0.55	111	61	1971	MON	41	93	12	12	0	0	0	5	9	1	1	0	12	0	8	0	0	0	.129	.214	.129	.343	0	-11	.175	2	-12
14	Walker Buehler W. Buehler	0.55	82	45	2021	LAD	34	69	5	7	2	0	0	3	5	0	0	0	9	2	8	0	0	0	.101	.162	.130	.293	-2	-11.9	.140	-16	-12.1
15	Bill Hands B. Hands	0.54	92	50	1968	CHC	38	82	2	5	0	0	0	0	3	0	0	0	5	0	7	0	0	0	.061	.094	.061	.155	-5	-13.5	.077	-62	-14.7
16	Jake Arrieta J. Arrieta	0.54	83	45	2015	CHC	30	79	5	12	1	1	2	2	1	0	0	0	21	4	3	0	0	1	.152	.163	.266	.428	1	-8.6	.184	8	-8.9
17	Bruce Hurst B. Hurst	0.54	87	47	1989	SDP	33	70	4	5	0	0	0	0	9	0	0	0	5	0	8	0	0	1	.071	.177	.071	.249	-2	-11.5	.138	-20	-11.5
18	Dean Chance D. Chance	0.54	108	58	1967	MIN	41	92	2	3	0	0	0	0	7	2	0	0	3	0	7	0	0	1	.033	.119	.033	.151	-6	-16.3	.089	-52	-17.3
19	Jerry Koosman J. Koosman	0.53	86	46	1970	NYM	30	70	5	6	1	0	0	4	8	0	0	0	7	1	8	0	0	2	.086	.179	.100	.279	-2	-11.4	.147	-14	-12.2
20	Dean Chance D. Chance	0.53	100	53	1964	LAA	46	89	3	7	0	0	0	0	3	0	0	0	7	0	8	0	0	0	.079	.109	.079	.187	-6	-16.3	.091	-44	-16.8
21	Cy Morgan C. Morgan	0.52	96	50	1911	PHA	38	94	7	15	1	0	0	7	0	0	0		16	1	2				.160	.160	.170	.330	-1	-12.7	.158	-8	-13.2
22	Vida Blue V. Blue	0.52	121	63	1971	OAK	39	102	6	12	1	0	0	2	4	2	0	1	13	1	13	0	0	0	.118	.167	.127	.294	-2	-14.6	.145	-11	-14.8
23	Don Cardwell D. Cardwell	0.52	106	55	1961	CHC	40	95	6	10	3	0	3	6	6	1	0	0	22	6	4	0	0	0	.105	.167	.232	.398	1	-11.9	.183	2	-13.1
24	Jerry Koosman J. Koosman	0.52	89	46	1969	NYM	32	84	1	4	0	0	0	1	1	0	0	0	4	0	4	0	0	2	.048	.059	.048	.106	-8	-17.4	.051	-76	-17.9
25	George Kaiserling G. Kaiserling	0.51	107	55	1914	IND	37	98	7	11	2	1	0	3	6	0	1		15	3	3				.112	.163	.153	.317	-1	-11.9	.160	-11	-14