Single Season Pitching Records
								updated 4/2025
		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	Wagner,Billy	2006	FR	44		4	Johnson,Walter	1914	TU	1.01
	5	Spahn,Warren	1948	BR	34		5	Rivera,Mariano	2000	EB	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	Chandler,Spud	1944	HP	1.10
	8	Taylor,Jack	1903	CL	32		8	Holland,Greg	2015	SI	44		8	Overall,Orval	1910	BR	1.12
	9	Bunning,Jim	1967	NP	32		9	Williams,Devin	2023	WA	43		9	Hoyt,Waite	1928	BE	1.15
	10	Niekro,Phil	1980	NP	31		10	Allen,Cody	2017	FR	43		10	Walsh,Ed	1911	CS	1.17
	11	Newhouser,Hal	1946	SX	31		11	Cook,Ryan	2013	FF	43		11	Hubbell,Carl	1934	MI	1.21
	12	Sain,Johnny	1949	SO	31		12	Hernandez,Roberto M	1993	LI	43		12	Young,Cy	1909	TU	1.22
	13	Many tied with			30		13	Hughes,Jared	2019	ID	43		13	Patterson,Roy	1907	BS	1.22
							14	Rivera,Mariano	2011	EB	41		14	Johnson,Walter	1913	TU	1.25
							15	Devine,Joey	2009	LI	41		15	Passeau,Claude	1946	LI	1.25
							16	Clase,Emmanuel	2023	FR	41		16	Newhouser,Hal	1947	SX	1.27
							17	Betances,Dellin	2015	RO	41		17	Hershiser,Orel	1986	HZ	1.28
							18	Clase,Emmanuel	2022	FR	41		18	Hollingsworth,Al	1943	LI	1.29
							19	Mesa,Jose	1996	BT	41		19	Wood,Joe	1913	PR	1.29
							20	Nen,Robb	2001	NP	41		20	Brown,Three Finger	1909	BE	1.30
													21	Walsh,Ed	1909	CS	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	Johnson,Walter	1911	TU	398.1		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	Bunning,Jim	1967	NP	12		4	Mathewson,Christy	1909	CL	380.1		4	Johnson,Randy	1996	HO	356
	5	Ford,Whitey	1957	NP	12		5	Johnson,Walter	1915	TU	380.0		5	McDowell,Sam	1971	BL	347
	6	Guidry,Ron	1979	BE	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	Walsh,Ed	1911	CS	378.0		9	Mathewson,Christy	1909	CL	335
	10	Martinez,Pedro	1998	FR	11		10	Plank,Eddie	1906	TU	375.1		10	Blue,Vida	1972	GL	335
	11	Reulbach,Ed	1906	MI	11		11	Young,Cy	1904	SO	374.1		11	Arrieta,Jake	2016	SS	331
	12	Newhouser,Hal	1947	SX	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	Johnson,Walter	1914	TU	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	Mathewson,Christy	1904	CL	321
	16	Bunning,Jim	1966	NP	10		16	Walsh,Ed	1912	CS	367.1		16	Feller,Bob	1947	WW	320
	17	Chandler,Spud	1944	HP	10		17	Niekro,Phil	1980	NP	367.0		17	Nomo,Hideo	1996	MR	320
	18	Leever,Sam	1904	NB	10		18	Wood,Wilbur	1973	BR	367.0		18	Santana,Johan	2005	PO	318
	19	Taylor,Jack	1903	CL	10		19	Taylor,Jack	1903	CL	364.0		19	Koufax,Sandy	1964	SX	317
	19	Koufax,Sandy	1967	SX	10		20	Brown,Three Finger	1910	BE	363.1		20	McLain,Denny	1969	CS	315
	20	Wainwright,Adam	2015	BR	10			McLain,Denny	1970	CS	363.0			Johnson,Randy	2002	SS	312
		Koufax,Sandy	1966	SX	10			Plank,Eddie	1905	TU	363.0			Lincecum,Tim	2010	FR	312
		Pierce,Billy	1953	KI	10			McGinnity,Joe	1905	WW	362.0			Seaver,Tom	1972	GL	309
		Odom,Blue Moon	1969	CS	10			Waddell,Rube	1905	NB	361.1			Johnson,Walter	1911	TU	308
								Walsh,Ed	1908	WM	361.1			Kluber,Corey	2015	NE	308
														Bumgarner,Madison	2016	HO	308
		Player	Year	Tm	G			Player	Year	Tm	CG
	1	Lavelle,Gary	1978	LI	104		1	Phillippe,Deacon	1904	BU	37
	2	Brusstar,Warren	1978	RU	100		2	Mathewson,Christy	1909	CL	37
	3	Fingers,Rollie	1978	BR	99		3	Waddell,Rube	1906	PR	35
	4	Farmer,Ed	1980	BZ	87		4	Wood,Joe	1913	PR	35
	5	Sosa,Elias	1978	LI	86		5	Chesbro,Jack	1905	BE	35
	6	Looper,Braden	2003	PO	84		6	Donovan,Wild Bill	1904	BS	35
	7	Campbell,Bill	1977	GG	84		7	Taylor,Jack	1903	CL	34
	8	Collins,Tim	2013	GU	83		8	Waddell,Rube	1909	PR	34
	9	Monge,Sid	1980	CO	83		9	Patterson,Roy	1903	BS	34
	10	Garber,Gene	1978	RU	82		10	Flaherty,Patsy	1905	NB	34
	11	Proctor,Scott	2007	LI	82		11	McGinnity,Joe	1905	WW	34
	12	Duke,Zach	2016	AR	81		12	Mathewson,Christy	1904	CL	34
	13	Lavelle,Gary	1980	LI	81		13	McGinnity,Joe	1906	WW	34
	14	Sosa,Elias	1980	LI	81		14	Taylor,Jack	1905	CL	33
	15	Sullivan,Scott	2001	RI	81		15	Walsh,Ed	1909	CS	33
	16	Sambito,Joe	1980	HP	81		16	Warneke,Lon	1934	BO	33
	17	Ayala,Luis	2006	BN	81		17	Weimer,Jake	1904	WA	33
	18	Capps,Matt	2007	SI	81		18	Sudhoff,Willie	1904	MI	33
	19	Campbell,Bill	1978	GG	81		19	Bender,Chief	1904	BU	33
	20	Trombley,Mike	1999	SS	81		20	Mathewson,Christy	1906	CL	33