The Boston Red Sox had their most shutout games pitched in a season in 1918, with 25 games.

Interpreted as:

red sox largest game in a regular season shutout

	TEAM	G	SHO	SEASON	W%	W	L	ERA	SO	SV	IP	H	ER	R	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Red Sox	25	25	1918	1.000	25	0	0.00	84	0	223.0	101	0	0	0	56	5		803	0	3.39	2.26	1.50	0.00	10.5	7.0	0.70	.153	0.00	4.08
2	Red Sox	23	23	1916	1.000	22	0	0.00	66	0	209.0	95	0	0	0	53	2		755	2	2.84	2.28	1.25	0.00	8.7	7.0	0.71	.150	0.00	4.09
3	Red Sox	23	23	1914	1.000	23	0	0.00	96	0	208.0	106	0	0	0	48	6		756	0	4.15	2.08	2.00	0.00	12.7	6.3	0.74	.175	0.00	4.59
4	Americans	21	21	1904	1.000	20	0	0.00	82	0	191.0	89	0	0	0	17	5		667	0	3.86	0.80	4.82	0.00	12.3	2.5	0.55	.158	0.00	4.19
5	Americans	20	20	1903	1.000	20	0	0.00	27	0	182.0	93	0	0	0	24	2		642	0	1.34	1.19	1.13	0.00	4.2	3.7	0.64	.158	0.00	4.60
6	Red Sox	18	18	1972	1.000	18	0	0.00	101	0	162.0	71	0	0	0	46	2	0	582	1	5.61	2.56	2.20	0.00	17.4	7.9	0.72	.164	0.00	3.94
7	Red Sox	18	18	1912	1.000	18	0	0.00	108	0	161.0	88	0	0	0	32	3		582	1	6.04	1.79	3.38	0.00	18.6	5.5	0.75	.200	0.00	4.92
8	Americans	17	17	1907	1.000	16	0	0.00	59	0	158.0	80	0	0	0	26	3		563	4	3.36	1.48	2.27	0.00	10.5	4.6	0.67	.168	0.00	4.56
9	Red Sox	16	16	1949	1.000	16	0	0.00	67	0	140.0	85	0	0	0	39	0		523	0	4.31	2.51	1.72	0.00	12.8	7.5	0.89	.204	0.00	5.46
10	Red Sox	16	16	1915	1.000	16	0	0.00	53	0	143.0	65	0	0	0	44	5		521	0	3.34	2.77	1.20	0.00	10.2	8.4	0.76	.155	0.00	4.09
11	Red Sox	15	15	1946	1.000	15	0	0.00	66	0	135.0	64	0	0	0	20	0		479	0	4.40	1.33	3.30	0.00	13.8	4.2	0.62	.163	0.00	4.27
12	Red Sox	15	15	1945	1.000	15	0	0.00	47	0	135.0	67	0	0	0	53	2		504	2	3.13	3.53	0.89	0.00	9.3	10.5	0.89	.167	0.00	4.47
13	Red Sox	15	15	1919	1.000	15	0	0.00	49	0	135.0	73	0	0	0	35	1		494	4	3.27	2.33	1.40	0.00	9.9	7.1	0.80	.178	0.00	4.87
14	Red Sox	14	14	1978	1.000	14	0	0.00	63	0	126.0	73	0	0	0	18	0	0	451	1	4.50	1.29	3.50	0.00	14.0	4.0	0.72	.197	0.00	5.21
15	Red Sox	14	14	1968	1.000	14	0	0.00	105	0	126.0	57	0	0	0	27	2	1	446	3	7.50	1.93	3.89	0.00	23.5	6.1	0.67	.183	0.00	4.07
16	Red Sox	14	14	1953	1.000	14	0	0.00	64	0	126.0	71	0	0	0	33	0		465	1	4.57	2.36	1.94	0.00	13.8	7.1	0.83	.193	0.00	5.07
17	Red Sox	14	14	1917	1.000	14	0	0.00	70	0	126.0	63	0	0	0	39	3		475	4	5.00	2.79	1.79	0.00	14.7	8.2	0.81	.174	0.00	4.50
18	Americans	14	14	1905	1.000	14	0	0.00	79	0	126.0	70	0	0	0	15	8		454	1	5.64	1.07	5.27	0.00	17.4	3.3	0.67	.199	0.00	5.00
19	Red Sox	13	13	1987	1.000	13	0	0.00	103	0	117.0	65	0	0	0	14	1	0	422	0	7.92	1.08	7.36	0.00	24.4	3.3	0.68	.214	0.00	5.00
20	Red Sox	12	12	1913	1.000	12	0	0.00	56	0	111.0	51	0	0	0	25	1		388	1	4.54	2.03	2.24	0.00	14.4	6.4	0.68	.167	0.00	4.14
21	Red Sox	12	12	1908	1.000	12	0	0.00	54	0	105.0	54	0	0	0	23	4		392	1	4.63	1.97	2.35	0.00	13.8	5.9	0.73	.174	0.00	4.63
22	Red Sox	11	11	1984	1.000	11	0	0.00	68	0	96.0	53	0	0	0	22	0	0	354	2	6.38	2.06	3.09	0.00	19.2	6.2	0.78	.201	0.00	4.97
23	Red Sox	11	11	1977	1.000	11	0	0.00	64	0	99.0	43	0	0	0	17	0	0	348	1	5.82	1.55	3.76	0.00	18.4	4.9	0.61	.161	0.00	3.91
24	Red Sox	11	11	1948	1.000	11	0	0.00	36	0	99.0	53	0	0	0	25	0		363	0	3.27	2.27	1.44	0.00	9.9	6.9	0.79	.175	0.00	4.82
25	Red Sox	11	11	1947	1.000	11	0	0.00	43	0	101.0	47	0	0	0	24	1		360	1	3.83	2.14	1.79	0.00	11.9	6.7	0.70	.161	0.00	4.19