most pitching shutouts in one season all-time

Grover Alexander and George Bradley are tied for the most shutouts in a season, with 16 shutouts.

Interpreted as:

most pitching shutouts by a player in one season all-time

	NAME	SHO	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Grover Alexander G. Alexander	16	1916	PHN	48	33	12	.733	45	1.55	167	38	3	389.0	323	67	90	6	50	10	3		1,500	3	3.86	1.16	3.34	0.14	11.1	3.3	0.96	.250	2.08	58	2.12	79	7.47	25.4
2	George Bradley G. Bradley	16	1876	STL	64	45	19	.703	64	1.23	103	63	0	573.0	470	78	229	3	38		0		2,269	34	1.62	0.60	2.71	0.05	4.5	1.7	0.89		3.60	58	2.14	101	7.38	-20.7
3	Bob Gibson B. Gibson	13	1968	STL	34	22	9	.710	34	1.12	268	28	0	304.2	198	38	49	11	62	7	0	6	1,161	4	7.92	1.83	4.32	0.32	23.1	5.3	0.85	.230	1.45	38	1.77	63	5.85	34.8
4	Jack Coombs J. Coombs	13	1910	PHA	45	31	9	.775	38	1.30	224	35	1	353.0	248	51	74	0	115	7	6		1,353	10	5.71	2.93	1.95	0.00	16.6	8.5	1.03	.246	1.89	53	2.09	83	6.32	15.8
5	Grover Alexander G. Alexander	12	1915	PHN	49	31	10	.756	42	1.22	241	36	3	376.1	253	51	86	3	64	10	7		1,435	2	5.76	1.53	3.77	0.07	16.8	4.5	0.84	.224	2.06	43	1.82	63	6.05	44.1
6	Ed Morris E. Morris	12	1886	PIT	64	41	20	.672	63	2.45	326	63	1	555.1	455	151	244	5	118	7	1		2,252	22	5.28	1.91	2.76	0.08	14.5	5.2	1.03	.251	3.95	76	2.72	85	7.37	23.7
7	Pud Galvin P. Galvin	12	1884	BUF	72	46	22	.676	72	1.99	369	71	0	636.1	566	141	254	23	63		0		2,554	16	5.22	0.89	5.86	0.33	14.4	2.5	0.99		3.59	64	2.88	82	8.01	50.9
8	Dean Chance D. Chance	11	1964	LAA	46	20	9	.690	35	1.65	207	15	4	278.1	194	51	56	7	86	2	7	9	1,093	9	6.69	2.78	2.41	0.23	18.9	7.9	1.01	.236	1.81	48	2.39	67	6.27	37.9
9	Sandy Koufax S. Koufax	11	1963	LAD	40	25	5	.833	40	1.88	306	20	0	311.0	214	65	68	18	58	3	0	7	1,210	6	8.86	1.68	5.28	0.52	25.3	4.8	0.87	.238	1.97	62	1.85	62	6.19	41.9
10	Walter Johnson W. Johnson	11	1913	WSH	48	36	7	.837	36	1.14	243	29	2	346.0	232	44	56	9	38	9	10		1,271	2	6.32	0.99	6.39	0.23	19.1	3.0	0.78	.229	1.46	39	1.90	63	6.03	42.3
11	Christy Mathewson C. Mathewson	11	1908	NYG	56	37	11	.771	44	1.43	259	34	5	390.2	281	62	85	5	42	3	9		1,469	2	5.97	0.97	6.17	0.12	17.6	2.9	0.83	.238	1.96	61	1.29	52	6.47	52.4
12	Ed Walsh E. Walsh	11	1908	CWS	66	40	15	.727	49	1.42	269	42	6	464.0	343	73	111	2	56	9	16		1,755	10	5.22	1.09	4.80	0.04	15.3	3.2	0.86	.240	2.15	63	1.42	67	6.65	34.2
13	Dave Foutz D. Foutz	11	1886	SLA	59	41	16	.719	57	2.11	283	55	1	504.0	418	118	216	5	144	10	2		2,091	23	5.05	2.57	1.97	0.09	13.5	6.9	1.12	.250	3.86	59	3.02	86	7.46	31.1
14	Old Hoss Radbourn O. Hoss Radbourn	11	1884	PRO	75	59	12	.831	73	1.38	441	73	2	678.2	528	104	216	18	98		2		2,672	34	5.85	1.30	4.50	0.24	16.5	3.7	0.92		2.86	48	2.75	84	7.00	31.9
15	Tommy Bond T. Bond	11	1879	BOS	64	43	19	.694	64	1.96	155	59	0	555.1	543	121	206	8	24		1		2,189	13	2.51	0.39	6.46	0.13	7.1	1.1	1.02		3.34	79	2.50	101	8.80	-3.4
16	John Tudor J. Tudor	10	1985	STL	36	21	8	.724	36	1.93	169	14	0	275.0	209	59	68	14	49	5	0	4	1,062	4	5.53	1.60	3.45	0.46	15.9	4.6	0.94	.236	2.23	55	2.70	76	6.84	26.3
17	Jim Palmer J. Palmer	10	1975	BAL	39	23	11	.676	38	2.09	193	25	1	323.0	253	75	87	20	80	2	1	4	1,268	4	5.38	2.23	2.41	0.56	15.2	6.3	1.03	.239	2.42	58	2.95	80	7.05	27
18	Juan Marichal J. Marichal	10	1965	SFG	39	22	13	.629	37	2.13	240	24	1	295.1	224	70	78	27	46	4	2	4	1,153	2	7.31	1.40	5.22	0.82	20.8	4.0	0.91	.236	2.38	60	2.59	76	6.83	27.3
19	Bob Lemon B. Lemon	10	1948	CLE	43	20	14	.588	37	2.82	147	20	2	293.2	231	92	104	12	129	3	2		1,214	3	4.51	3.95	1.14	0.37	12.1	10.6	1.23	.237	3.19	70	3.54	90	7.08	13
20	Bob Feller B. Feller	10	1946	CLE	48	26	15	.634	42	2.18	348	36	4	371.1	277	90	101	11	153	3	5		1,512	3	8.43	3.71	2.27	0.27	23.0	10.1	1.16	.267	2.45	65	2.16	65	6.71	48.3
21	Mort Cooper M. Cooper	10	1942	SLN	37	22	7	.759	35	1.78	152	22	0	278.2	207	55	73	9	68	5	1		1,100	5	4.91	2.20	2.24	0.29	13.8	6.2	0.99	.229	2.36	53	2.53	72	6.69	30.2
22	Carl Hubbell C. Hubbell	10	1933	NYG	45	23	12	.657	33	1.66	156	22	5	308.2	256	57	69	6	47	3	11		1,206	3	4.55	1.37	3.32	0.17	12.9	3.9	0.98	.252	2.01	52	2.53	74	7.46	31.1
23	Dave Davenport D. Davenport	10	1915	SLF	55	22	18	.550	46	2.20	229	30	1	392.2	300	96	116	5	96	5	5		1,497	7	5.25	2.20	2.39	0.11	15.3	6.4	1.01	.254	2.66	70	2.18	72	6.88	37.4
24	Joe Wood J. Wood	10	1912	BSA	43	34	5	.872	38	1.91	258	35	1	344.0	267	73	104	2	82	12	5		1,328	7	6.75	2.15	3.15	0.05	19.4	6.2	1.01	.272	2.72	58	2.25	71	6.99	35.1
25	Ed Walsh E. Walsh	10	1906	CWS	41	17	13	.567	31	1.88	171	24	2	278.1	215	58	83	1	58	7	8		1,058	11	5.53	1.88	2.95	0.03	16.2	5.5	0.98	.261	2.68	73	1.89	77	6.95	16.7