mlb strikeout percentage leaders for pitcher single season modern era

Since 1900, 13 pitchers are tied for the best strikeout percentage in a season, with a strikeout percentage of 100.0. The first three are Mike Freeman, Nick Maton and Romy Gonzalez in 2021.

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Regular season

	NAME	K%	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	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	Mike Freeman M. Freeman	100.0	2021	CIN	1	0	0		0	0.00	1	0	0	0	0.1	0	0	0	0	0	0	1	0	1	0	27.00	0.00		0.00	0.0	0.00		0.00	0	-2.84	-64	0.00	0.3
2	Nick Maton N. Maton	100.0	2021	PHI	1	0	0		0	0.00	1	0	0	0	0.1	0	0	0	0	0	0	1	0	1	0	27.00	0.00		0.00	0.0	0.00		0.00	0	-2.84	-66	0.00	0.3
3	Romy Gonzalez R. Gonzalez	100.0	2021	CWS	1	0	0		0	0.00	1	0	0	0	0.1	0	0	0	0	0	0	1	0	1	0	27.00	0.00		0.00	0.0	0.00		0.00	0	-2.84	-64	0.00	0.3
4	Mike Brosseau M. Brosseau	100.0	2020	TBR	1	0	0		0	0.00	1	0	0	0	0.1	0	0	0	0	0	0	1	0	1	0	27.00	0.00		0.00	0.0	0.00		0.00	0	-2.82	-66	0.00	0.3
5	Dellin Betances D. Betances	100.0	2019	NYY	1	0	0		0	0.00	2	0	0	0	0.2	0	0	0	0	0	0	0	0	2	0	27.00	0.00		0.00	0.0	0.00		0.00	0	-2.80	-60	0.00	0.5
6	Jedd Gyorko J. Gyorko	100.0	2019	TOT	1	0	0		0	0.00	1	0	0	0	0.1	0	0	0	0	0	0	1	0	1	0	27.00	0.00		0.00	0.0	0.00		0.00	0	-2.80	-65	0.00	0.3
7	Danny Valencia D. Valencia	100.0	2018	BAL	1	0	0		0	0.00	1	0	0	0	0.1	0	0	0	0	0	0	1	0	1	0	27.00	0.00		0.00	0.0	0.00		0.00	0	-2.84	-65	0.00	0.3
8	Joe Nathan J. Nathan	100.0	2015	DET	1	0	0		0	0.00	1	0	0	1	0.1	0	0	0	0	0	0	1	0	1	0	27.00	0.00		0.00	0.0	0.00		0.00	0	-2.87	-70	0.00	0.3
9	Rob Johnson R. Johnson	100.0	2013	STL	1	0	0		0	0.00	1	0	0	0	0.1	0	0	0	0	0	0	1	0	1	0	27.00	0.00		0.00	0.0	0.00		0.00	0	-2.96	-79	0.00	0.2
10	Joe Dawley J. Dawley	100.0	2002	ATL	1	0	0		0	0.00	1	0	0	0	0.1	0	0	0	0	0	0	1	0	1	0	27.00	0.00		0.00	0.0	0.00		0.00	0	-3.05	-73	0.00	0.3
11	Scott Sheldon S. Sheldon	100.0	2000	TEX	1	0	0		0	0.00	1	0	0	0	0.1	0	0	0	0	0	0	0	0	1	0	27.00	0.00		0.00	0.0	0.00		0.00	0	-2.87	-58	0.00	0.3
12	Kevin Seitzer K. Seitzer	100.0	1993	TOT	1	0	0		0	0.00	1	0	0	0	0.1	0	0	0	0	0	0	1	0	1	0	27.00	0.00		0.00	0.0	0.00		0.00	0	-3.02	-71	0.00	0.3
13	Fred Norman F. Norman	100.0	1967	CHC	1	0	0		0	0.00	3	0	0	0	1.0	0	0	0	0	0	0	1	0	3	0	27.00	0.00		0.00	0.0	0.00		0.00	0	-3.46	-102	0.00	0.7
14	Kenny Greer K. Greer	66.7	1993	NYM	1	1	0	1.000	0	0.00	2	0	0	0	1.0	0	0	0	0	0	0	1	0	3	0	18.00	0.00		0.00	0.0	0.00	.000	0.00	0	-1.02	-26	0.00	0.6
15	Jack Spring J. Spring	66.7	1957	BOS	1	0	0		0	0.00	2	0	0	0	1.0	0	0	0	0	0	0	1	0	3	0	18.00	0.00		0.00	0.0	0.00	.000	0.00	0	-1.54	-37	0.00	0.6
16	Waite Hoyt W. Hoyt	66.7	1918	NYG	1	0	0		0	0.00	2	0	0	0	1.0	0	0	0	0	0	0	0		3	0	18.00	0.00		0.00	0.0	0.00	.000	0.00	0	-1.77	-68	0.00	0.5
17	Chuck Nieson C. Nieson	62.5	1964	MIN	2	0	0		0	4.50	5	0	0	0	2.0	1	1	1	1	1	0	1	0	8	0	22.50	4.50	5.00	4.50	12.5	1.00	.000	4.50	122	5.60	146	4.50	-0.4
18	Francisco Rodriguez F. Rodriguez	61.9	2002	ANA	5	0	0		0	0.00	13	0	0	0	5.2	3	0	0	0	2	1	4	1	21	0	20.65	3.18	6.50	0.00	9.5	0.88	.600	0.00	0	-0.05	-1	4.76	2.8
19	John McMillon J. McMillon	61.5	2023	KCR	4	0	0		0	2.25	8	0	0	0	4.0	1	1	1	1	0	0	3	0	13	0	18.00	0.00		2.25	0.0	0.25	.000	2.25	50	2.50	58	2.25	0.8
20	Bobby Sprowl B. Sprowl	60.0	1980	HOU	1	0	0		0	0.00	3	0	0	0	1.0	1	0	0	0	1	0	0	0	5	0	27.00	9.00	3.00	0.00	20.0	2.00	1.000	0.00	0	-0.26	-7	9.00	0.4
21	Jim Shellenback J. Shellenback	60.0	1973	TEX	2	0	0		0	0.00	3	0	0	0	1.2	0	0	0	0	0	0	0	0	5	0	16.20	0.00		0.00	0.0	0.00	.000	0.00	0	-1.04	-28	0.00	0.9
22	Fred Wenz F. Wenz	60.0	1968	BOS	1	0	0		0	0.00	3	0	0	0	1.0	0	0	0	0	2	0	1	0	5	0	27.00	18.00	1.50	0.00	40.0	2.00		0.00	0	2.39	70	0.00	0.1
23	Horacio Pina H. Pina	57.1	1978	PHI	2	0	0		0	0.00	4	0	0	0	2.1	0	0	0	0	0	0	0	0	7	0	15.43	0.00		0.00	0.0	0.00	.000	0.00	0	-0.85	-24	0.00	1.1
24	Gerry Hannahs G. Hannahs	55.6	1978	LAD	1	0	0		0	9.00	5	0	0	0	2.0	3	2	2	0	0	0	0	0	9	2	22.50	0.00		0.00	0.0	1.50	.750	9.00	257	-2.43	-68	13.50	1.3
25	Ray Krawczyk R. Krawczyk	54.5	1989	MIL	1	0	0		0	13.50	6	0	0	0	2.0	4	3	3	0	1	0	1	0	11	0	27.00	4.50	6.00	0.00	9.1	2.50	1.000	13.50	344	-1.75	-46	18.00	1.2

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TEAM	W	L	PCT	GB
Brewers	103	59	.636
Cubs	89	73	.549	14.0
Pirates	82	80	.506	21.0
Cardinals	77	85	.475	26.0
Reds	75	87	.463	28.0

Last Game

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Final

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Playoffs Win Leaders

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MLB 2026 Betting

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NL East	W	L	PCT	GB
Braves - y	94	68	.580
Phillies - w	88	74	.543	6.0
Marlins	80	82	.494	14.0
Nationals	77	85	.475	17.0
Mets	74	88	.457	20.0
NL Central	W	L	PCT	GB
Brewers - y	103	59	.636
Cubs - w	89	73	.549	14.0
Pirates	82	80	.506	21.0
Cardinals	77	85	.475	26.0
Reds	75	87	.463	28.0
NL West	W	L	PCT	GB
Dodgers - y	100	62	.617
Padres - w	91	71	.562	9.0
Diamondbacks	86	76	.531	14.0
Giants	65	97	.401	35.0
Rockies	58	104	.358	42.0

AL East	W	L	PCT	GB
Rays - y	98	64	.605
Yankees - w	93	68	.578	4.5
Red Sox - w	87	75	.537	11.0
Orioles	79	82	.491	18.5
Blue Jays	79	83	.488	19.0
AL Central	W	L	PCT	GB
Guardians - y	85	77	.525
White Sox - w	84	78	.519	1.0
Twins	77	85	.475	8.0
Tigers	76	86	.469	9.0
Royals	69	93	.426	16.0
AL West	W	L	PCT	GB
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Mariners	76	86	.469	5.0
Athletics	64	98	.395	17.0
Angels	62	100	.383	19.0

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DATE	MATCHUP			SCORE
Tue 9/15	CWS	@	CLE	6-7
Tue 9/15	ATH	@	TBR	1-2
Tue 9/15	MIL	@	PIT	5-1
Tue 9/15	BAL	@	NYM	7-5
Tue 9/15	ATL	@	CHC	6-3

Schedule

DATE	MATCHUP			TIME (ET)
Fri 10/16	TBR	@	CLE	6:00 PM
Fri 10/16	MIL	@	LAD	9:00 PM
Sat 10/17	TBR	@	CLE	8:00 PM
Sun 10/18	LAD	@	MIL	8:00 PM
Mon 10/19	CLE	@	TBR	5:00 PM

Since 1900, 13 pitchers are tied for the best strikeout percentage in a season, with a strikeout percentage of 100.0. The first three are Mike Freeman, Nick Maton and Romy Gonzalez in 2021.

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