single season highest k% with a minimum of 250 ip

Randy Johnson has the highest strikeout percentage with 250.0+ innings pitched in a season, with a strikeout percentage of 33.7 in 1999.

Interpreted as:

single season highest k% by a player with a minimum of 250 ip

	NAME	K%	IP	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Randy Johnson R. Johnson	33.7	271.2	1999	ARI	35	17	9	.654	35	2.48	364	12	2	0	207	75	86	30	70	9	0	3	1,079	4	12.06	2.32	5.20	0.99	6.5	1.02	.292	2.85	53	2.75	59	6.86	57.2
2	Randy Johnson R. Johnson	32.3	260.0	2002	ARI	35	24	5	.828	35	2.32	334	8	4	0	197	67	78	26	71	13	0	1	1,035	3	11.56	2.46	4.70	0.90	6.9	1.03	.289	2.70	54	2.65	61	6.82	47
3	Curt Schilling C. Schilling	31.6	254.1	1997	PHI	35	17	11	.607	35	2.97	319	7	2	0	208	84	96	25	58	5	0	3	1,009	5	11.29	2.05	5.50	0.88	5.7	1.05	.304	3.40	69	2.61	62	7.36	45.8
4	Curt Schilling C. Schilling	31.1	259.1	2002	ARI	36	23	7	.767	35	3.23	316	5	1	0	218	93	95	29	33	3	0	1	1,017	6	10.97	1.15	9.58	1.01	3.2	0.97	.297	3.30	75	2.39	55	7.57	54.3
5	Randy Johnson R. Johnson	29.5	255.1	1993	SEA	35	19	8	.704	34	3.24	308	10	3	1	185	92	97	22	99	16	1	1	1,043	8	10.86	3.49	3.11	0.78	9.5	1.11	.273	3.42	74	3.04	70	6.52	36.2
6	Sandy Koufax S. Koufax	29.5	335.2	1965	LAD	43	26	8	.765	41	2.04	382	27	8	2	216	76	90	26	71	5	2	4	1,297	11	10.24	1.90	5.38	0.70	5.5	0.86	.234	2.41	63	1.93	61	5.79	47.9
7	Sam McDowell S. McDowell	29.1	273.0	1965	CLE	42	17	11	.607	35	2.18	325	14	3	4	178	66	80	9	132	6	5	7	1,116	17	10.71	4.35	2.46	0.30	11.8	1.14	.262	2.64	63	2.08	58	5.87	45.4
8	Mike Scott M. Scott	28.7	275.1	1986	HOU	37	18	10	.643	37	2.22	306	7	5	0	182	68	73	17	72	2	0	6	1,065	3	10.00	2.35	4.25	0.56	6.8	0.92	.247	2.39	63	2.15	61	5.95	43.6
9	Curt Schilling C. Schilling	28.7	256.2	2001	ARI	35	22	6	.786	35	2.98	293	6	1	0	237	85	86	37	39	1	0	0	1,021	4	10.27	1.37	7.51	1.30	3.8	1.08	.307	3.02	66	3.10	70	8.31	38
10	Nolan Ryan N. Ryan	28.5	284.0	1972	CAL	39	19	16	.543	39	2.28	329	20	9	0	166	72	80	14	157	10	0	4	1,154	18	10.43	4.98	2.10	0.44	13.6	1.14	.236	2.54	79	2.48	83	5.26	16.6
11	Nolan Ryan N. Ryan	28.3	326.0	1973	CAL	41	21	16	.568	39	2.87	383	26	4	1	238	104	113	18	162	7	2	2	1,355	15	10.57	4.47	2.36	0.50	12.0	1.23	.280	3.12	80	2.48	69	6.57	40.9
12	Roger Clemens R. Clemens	28.0	264.0	1997	TOR	34	21	7	.750	34	2.05	292	9	3	0	204	60	65	9	68	12	0	1	1,044	4	9.95	2.32	4.29	0.31	6.5	1.03	.294	2.22	45	2.24	50	6.95	66.3
13	John Smoltz J. Smoltz	27.7	253.2	1996	ATL	35	24	8	.750	35	2.94	276	6	2	0	199	83	93	19	55	2	0	3	995	10	9.79	1.95	5.02	0.67	5.5	1.00	.280	3.30	69	2.63	60	7.06	48.4
14	Curt Schilling C. Schilling	27.5	268.2	1998	PHI	35	15	14	.517	35	3.25	300	15	2	0	236	97	101	23	61	6	0	3	1,089	12	10.05	2.04	4.92	0.77	5.6	1.11	.305	3.38	76	2.76	65	7.91	45.1
15	Roger Clemens R. Clemens	27.4	264.0	1988	BOS	35	18	12	.600	35	2.93	291	14	8	0	217	86	93	17	62	6	0	4	1,063	4	9.92	2.11	4.69	0.58	5.8	1.06	.291	3.17	72	2.17	56	7.40	50.5
16	Nolan Ryan N. Ryan	27.3	284.1	1976	CAL	39	17	18	.486	39	3.36	327	21	7	0	193	106	117	13	183	5	0	2	1,196	5	10.35	5.79	1.79	0.41	15.3	1.32	.269	3.70	99	2.91	85	6.11	16.5
17	Nolan Ryan N. Ryan	26.8	299.0	1977	CAL	37	19	16	.543	37	2.77	341	22	4	0	198	92	110	12	204	9	0	7	1,272	21	10.26	6.14	1.67	0.36	16.0	1.34	.263	3.31	72	3.11	79	5.96	27.9
18	Luis Tiant L. Tiant	26.7	258.1	1968	CLE	34	21	9	.700	32	1.60	264	19	9	0	152	46	53	16	73	4	0	4	987	3	9.20	2.54	3.62	0.56	7.4	0.87	.216	1.85	53	2.04	64	5.30	33
19	J.R. Richard	26.6	292.1	1979	HOU	38	18	13	.581	38	2.71	313	19	4	0	220	88	98	13	98	3	0	5	1,175	19	9.64	3.02	3.19	0.40	8.3	1.09	.277	3.02	78	2.19	62	6.77	45.6
20	J.R. Richard	26.6	275.1	1978	HOU	36	18	11	.621	36	3.11	303	16	3	0	192	95	104	12	141	2	0	4	1,139	16	9.90	4.61	2.15	0.39	12.4	1.21	.264	3.40	94	2.50	74	6.28	26.9
21	Mario Soto M. Soto	26.5	257.2	1982	CIN	35	14	13	.519	34	2.79	274	13	2	0	202	80	88	19	71	4	1	3	1,033	6	9.57	2.48	3.86	0.66	6.9	1.06	.275	3.07	75	2.41	66	7.06	34.7
22	Nolan Ryan N. Ryan	26.4	332.2	1974	CAL	42	22	16	.579	41	2.89	367	26	3	0	221	107	127	18	202	9	1	3	1,392	9	9.93	5.46	1.82	0.49	14.5	1.27	.255	3.44	85	2.97	84	5.98	20.2
23	Jim Maloney J. Maloney	26.2	250.1	1963	CIN	33	23	7	.767	33	2.77	265	13	6	0	183	77	84	17	88	6	0	1	1,010	19	9.53	3.16	3.01	0.61	8.7	1.08	.262	3.02	83	2.37	71	6.58	26.5
24	Tom Seaver T. Seaver	26.2	286.1	1971	NYM	36	20	10	.667	35	1.76	289	21	4	0	210	56	61	18	61	4	1	2	1,103	5	9.08	1.92	4.74	0.57	5.5	0.95	.263	1.92	52	1.93	58	6.60	44.5
25	Frank Tanana F. Tanana	26.1	257.1	1975	CAL	34	16	9	.640	33	2.62	269	16	5	0	211	75	80	21	73	7	1	6	1,029	8	9.41	2.55	3.68	0.73	7.1	1.10	.288	2.80	73	2.48	67	7.38	35.3

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Dodgers	90	58	.608
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DATE	MATCHUP			TIME (ET)
Sun 9/13	TEX	@	AZ	4:10 PM
Mon 9/14	MIA	@	AZ	9:40 PM
Tue 9/15	MIA	@	AZ	9:40 PM
Wed 9/16	MIA	@	AZ	9:40 PM
Fri 9/18	NYY	@	AZ	9:40 PM

Last Game

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Final

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Sat 12 Sep 2026

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Phillies	82	67	.550	6.0
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Mets	69	79	.466	18.5
Nationals	69	81	.460	19.5
NL Central	W	L	PCT	GB
Brewers - x	93	56	.624
Cubs	83	66	.557	10.0
Pirates	74	75	.497	19.0
Cardinals	73	76	.490	20.0
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Sat 8/29	BOS	@	NYY	6-0
Sat 8/29	PIT	@	STL	6-2
Sat 8/29	CIN	@	CHC	5-17
Sat 8/29	SEA	@	TOR	3-4
Sat 8/29	AZ	@	SFG	7-1

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DATE	MATCHUP			TIME (ET)
Sun 9/13	COL	@	DET	12:10 PM
Sun 9/13	PHI	@	ATL	1:35 PM
Sun 9/13	NYM	@	NYY	1:35 PM
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Randy Johnson has the highest strikeout percentage with 250.0+ innings pitched in a season, with a strikeout percentage of 33.7 in 1999.

Interpreted as:

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