Single Season Pitching Records
								updated  1/2026
		Player	Year	Tm	W			Player	Year	Tm	Sv			Player	Year	Tm	ERA
	1	Johnson,Walter	1913	TU	39		1	Mota,Guillermo	2005	BN	53		1	Mathewson,Christy	1909	CL	0.90
	2	Johnson,Walter	1914	TU	35		2	Wetteland,John	1994	LI	46		2	Hughson,Tex	1945	SM	0.97
	3	Mathewson,Christy	1909	CL	35		3	Hoffman,Trevor	2010	SI	46		3	Gibson,Bob	1969	SO	1.00
	4	Young,Cy	1904	SO	35		4	Rivera,Mariano	2000	EB	44		4	Johnson,Walter	1914	TU	1.01
	5	Spahn,Warren	1948	BR	34		5	Wagner,Billy	2006	FR	44		5	Wyatt,Whit	1944	LI	1.04
	6	Waddell,Rube	1903	NB	34		6	Adams,Mike	2012	LI	44		6	Joss,Addie	1909	WA	1.05
	7	Johnson,Walter	1911	TU	33		7	Melancon,Mark	2014	RO	44		7	Wood,Joe	1916	BF	1.07
	8	Taylor,Jack	1903	CL	32		8	Holland,Greg	2015	SI	44		8	Chandler,Spud	1944	HP	1.10
	9	Bunning,Jim	1967	NP	32		9	Hernandez,Roberto M	1993	LI	43		9	Overall,Orval	1910	BR	1.12
	10	Niekro,Phil	1980	NP	31		10	Cook,Ryan	2013	FF	43		10	Hoyt,Waite	1928	BE	1.15
	11	Newhouser,Hal	1946	SX	31		11	Allen,Cody	2017	FR	43		11	Hubbell,Carl	1934	MI	1.21
	12	Sain,Johnny	1949	SO	31		12	Hughes,Jared	2019	ID	43		12	Patterson,Roy	1907	BS	1.22
	13	Many tied with			30		13	Williams,Devin	2023	WA	43		13	Young,Cy	1909	TU	1.22
							14	Yates,Kirby	2025	WC	42		14	Johnson,Walter	1913	TU	1.25
							15	Martinez,Justin	2025	GU	42		15	Passeau,Claude	1946	LI	1.25
							16	Mesa,Jose	1996	BT	41		16	Newhouser,Hal	1947	SX	1.27
							17	Nen,Robb	2001	NP	41		17	Hershiser,Orel	1986	HZ	1.28
							18	Devine,Joey	2009	LI	41		18	Hollingsworth,Al	1943	LI	1.29
							19	Rivera,Mariano	2011	EB	41		19	Wood,Joe	1913	PR	1.29
							20	Betances,Dellin	2015	RO	41		20	Brown,Three Finger	1909	BE	1.30
							21	Clase,Emmanuel	2022	FR	41		21	Walsh,Ed	1909	CS	1.30
							22	Clase,Emmanuel	2023	FR	41			Skenes,Paul	2025	HI	1.30
		Player	Year	Tm	ShO			Player	Year	Tm	IP			Player	Year	Tm	SO
	1	Mathewson,Christy	1909	CL	16		1	Johnson,Walter	1913	TU	404.1		1	Koufax,Sandy	1967	SX	402
	2	McLain,Denny	1970	CS	15		2	Alexander,Pete	1916	BE	384.1		2	Koufax,Sandy	1966	SX	375
	3	Blyleven,Bert	1974	NP	14		3	Johnson,Walter	1914	TU	383.1		3	Ryan,Nolan	1973	ME	357
	4	Guidry,Ron	1979	BE	12		4	Mathewson,Christy	1909	CL	380.1		4	Johnson,Randy	1996	HO	356
	5	Bunning,Jim	1967	NP	12		5	Johnson,Walter	1915	TU	380.0		5	McDowell,Sam	1971	BL	347
	6	Ford,Whitey	1957	NP	12		6	Mathewson,Christy	1904	CL	380.0		6	Clemens,Roger	1998	SS	345
	7	Newhouser,Hal	1946	SX	12		7	Walsh,Ed	1909	CS	379.2		7	Martinez,Pedro	1998	FR	341
	8	Hubbell,Carl	1934	MI	11		8	Chesbro,Jack	1905	BE	378.2		8	McDowell,Sam	1966	SX	340
	9	Grimes,Burleigh	1921	KI	11		9	Plank,Eddie	1906	TU	375.1		9	Mathewson,Christy	1909	CL	335
	10	Newhouser,Hal	1947	SX	11		10	Young,Cy	1904	SO	374.1		10	Blue,Vida	1972	GL	335
	11	Martinez,Pedro	1998	FR	11		11	Johnson,Walter	1916	TU	372.1		11	Arrieta,Jake	2016	SS	331
	12	Reulbach,Ed	1906	MI	11		12	Wood,Wilbur	1974	BR	370.2		12	Scherzer,Max	2017	EB	330
	13	McQuillan,George	1909	PR	11		13	Plank,Eddie	1904	TU	370.1		13	Hernandez,Felix	2015	LI	327
	14	Wainwright,Adam	2015	BR	10		14	Mathewson,Christy	1905	CL	369.0		14	McDowell,Sam	1969	SX	326
	15	Gibson,Bob	1969	SO	10		15	Johnson,Walter	1912	TU	367.1		15	Soto,Mario	1985	XX	326
	16	Bunning,Jim	1966	NP	10		16	Walsh,Ed	1912	CS	367.1		16	Mathewson,Christy	1904	CL	321
	17	Chandler,Spud	1944	HP	10		17	Niekro,Phil	1980	NP	367.0		17	Feller,Bob	1947	WW	320
	18	Johnson,Walter	1914	TU	10		18	Wood,Wilbur	1973	BR	367.0		18	Nomo,Hideo	1996	MR	320
	19	Odom,Blue Moon	1969	CS	10		19	Taylor,Jack	1903	CL	364.0		19	Richard,Jr	1979	MI, WI	319
	19	Leever,Sam	1904	NB	10		20	Brown,Three Finger	1910	BE	363.1		20	Santana,Johan	2005	PO	318
	20	Pierce,Billy	1953	KI	10		21	Plank,Eddie	1905	TU	363.0		21	Koufax,Sandy	1964	SX	317
	20	Koufax,Sandy	1967	SX	10		22	McLain,Denny	1970	CS	363.0		22	McLain,Denny	1969	CS	315
	21	Koufax,Sandy	1966	SX	10								23	Johnson,Randy	2002	SS	312
	21	Taylor,Jack	1903	CL	10								24	Lincecum,Tim	2010	FR	312
													25	Seaver,Tom	1972	GL	309
		Player	Year	Tm	G			Player	Year	Tm	CG
	1	Campbell,Bill	1978	GG	81		1	Sudhoff,Willie	1904	MI	33
	2	Lavelle,Gary	1980	LI	81		2	Weimer,Jake	1904	WA	33
	3	Sambito,Joe	1980	HP	81		3	Bender,Chief	1904	BU	33
	4	Sosa,Elias	1980	LI	81		4	Taylor,Jack	1905	CL	33
	5	Trombley,Mike	1999	SS	81		5	Mathewson,Christy	1906	CL	33
	6	Sullivan,Scott	2001	RI	81		6	Walsh,Ed	1909	CS	33
	7	Ayala,Luis	2006	BN	81		7	Warneke,Lon	1934	BO	33
	8	Capps,Matt	2007	SI	81		8	Taylor,Jack	1903	CL	34
	9	Duke,Zach	2016	AR	81		9	Patterson,Roy	1903	BS	34
	10	Garber,Gene	1978	RU	82		10	Mathewson,Christy	1904	CL	34
	11	Proctor,Scott	2007	LI	82		11	Flaherty,Patsy	1905	NB	34
	12	Monge,Sid	1980	CO	83		12	McGinnity,Joe	1905	WW	34
	13	Collins,Tim	2013	GU	83		13	McGinnity,Joe	1906	WW	34
	14	Campbell,Bill	1977	GG	84		14	Waddell,Rube	1909	PR	34
	15	Looper,Braden	2003	PO	84		15	Donovan,Wild Bill	1904	BS	35
	16	Sosa,Elias	1978	LI	86		16	Chesbro,Jack	1905	BE	35
	17	Farmer,Ed	1980	BZ	87		17	Waddell,Rube	1906	PR	35
	18	Fingers,Rollie	1978	BR	99		18	Wood,Joe	1913	PR	35
	19	Brusstar,Warren	1978	RU	100		19	Phillippe,Deacon	1904	BU	37
	20	Lavelle,Gary	1978	LI	104		20	Mathewson,Christy	1909	CL	37