All-Time MLB Player Pitching Stat Leaders by Season

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PLAYER	YEAR	TEAM	L	ERA	G	GS	SVO	IP	H	R	ER	HR	HB	BB	WHIP	AVG
1 HarryH DeanDean P 1 ‌ ‌ ‌	1941	WAS	0	4.50	2	0	--	2.0	2	3	1	0	1	3	2.50	.250
1 ChrisC HaneyHaney P 1 ‌ ‌ ‌	2000	CLE	0	9.00	1	0	0	1.0	1	1	1	0	0	1	2.00	.333
1 LaMarrL HoytHoyt P 1 ‌ ‌ ‌	1979	CWS	0	0.00	2	0	0	3.0	2	0	0	0	0	0	0.67	.200
1 BobB BailorBailor RF 1 ‌ ‌ ‌	1980	TOR	0	7.71	3	0	0	2.1	4	2	2	0	0	1	2.14	.364
1 CharlieC HudsonHudson P 1 ‌ ‌ ‌	1975	CAL	1	9.53	3	1	0	5.2	7	6	6	0	0	4	1.94	.304
1 JoelJ JohnstonJohnston P 1 ‌ ‌ ‌	1992	KC	0	13.50	5	0	0	2.2	3	4	4	2	0	2	1.88	.273
1 FrankF CastilloCastillo P 1 ‌ ‌ ‌	2004	BOS	0	0.00	2	0	0	1.0	1	0	0	0	0	1	2.00	.333
1 DizzyD DeanDean P 1 ‌ ‌ ‌	1947	SLB	0	0.00	1	1	--	4.0	3	0	0	0	0	1	1.00	.231
1 BillB BradleyBradley 3B 1 ‌ ‌ ‌	1901	CLE	0	0.00	1	0	--	1.0	4	3	0	0	0	0	4.00	.571
1 JackJ GraneyGraney LF 1 ‌ ‌ ‌	1908	CLE	0	5.40	2	0	--	3.1	6	2	2	0	0	1	2.10	.400
1 HalH HudsonHudson P 1 ‌ ‌ ‌	1953	CWS	0	0.00	1	0	--	0.2	0	0	0	0	0	0	0.00	.000
1 RickR AndersonAnderson P 1 ‌ ‌ ‌	1979	NYY	0	3.86	1	0	0	2.1	1	1	1	0	0	4	2.14	.167
1 MichaelM DeGerickDeGerick P 1 ‌ ‌ ‌	1961	CWS	0	5.40	1	0	--	1.2	2	1	1	0	0	1	1.80	.400
1 JeffJ JohnsonJohnson P 1 ‌ ‌ ‌	1993	NYY	2	30.38	2	2	0	2.2	12	10	9	1	0	2	5.25	.600
1 PatP CooperCooper 1B 1 ‌ ‌ ‌	1946	PHA	0	0.00	1	0	--	1.0	1	0	0	0	0	1	2.00	.250
1 GuyG CooperCooper P 1 ‌ ‌ ‌	1915	BOS	0	0.00	1	0	--	2.0	0	0	0	0	0	2	1.00	.000
1 MichaelM DeGerickDeGerick P 1 ‌ ‌ ‌	1962	CWS	0	0.00	1	0	--	1.0	1	0	0	0	0	1	2.00	.250
1 TobyT BorlandBorland P 1 ‌ ‌ ‌	2001	ANA	1	10.80	2	0	1	3.1	8	5	4	1	0	1	2.70	.471
1 ElbertE AndrewsAndrews P 1 ‌ ‌ ‌	1925	PHA	0	10.13	6	0	--	8.0	12	12	9	0	0	11	2.88	.375
1 PaulP CastnerCastner P 1 ‌ ‌ ‌	1923	CWS	0	6.30	6	0	--	10.0	14	9	7	0	0	5	1.90	.326
1 FrankF DupeeDupee P 1 ‌ ‌ ‌	1901	CWS	1	-.--	1	1	--	0.0	0	3	3	0	0	3	-.--	.000
1 JanJ DukesDukes P 1 ‌ ‌ ‌	1972	TEX	0	3.86	3	0	0	2.1	1	2	1	0	0	5	2.57	.167
1 MiguelM GarciaGarcia P 1 ‌ ‌ ‌	1987	CAL	0	16.20	1	0	0	1.2	3	4	3	0	0	3	3.60	.375
1 ByronB HumphreyHumphrey P 1 ‌ ‌ ‌	1938	BOS	0	9.00	2	0	--	2.0	5	2	2	0	0	1	3.00	.500
1 DanD DuganDugan P 1 ‌ ‌ ‌	1928	CWS	0	0.00	1	0	--	0.1	0	0	0	0	0	0	0.00	.000

Data validation provided by Elias Sports Bureau, the Official Statistician of Major League Baseball