most games with exactly 0 runs allowed by a team in a season

The Chicago Cubs have the most games pitched by a team with exactly 0 runs allowed in a season, with 33 games in 1907.

	TEAM	G	R	SEASON	W%	W	L	ERA	SO	SHO	SV	IP	H	ER	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Cubs	33	0	1907	.970	32	1	0.00	132	31	2	285.0	144	0	0	62	6		1,023	1	4.17	1.96	2.13	0.00	12.9	6.1	0.72	.175	0.00	4.55
2	Cubs	32	0	1909	1.000	32	0	0.00	148	32	0	293.0	153	0	0	44	7		1,052	3	4.55	1.35	3.36	0.00	14.1	4.2	0.67	.179	0.00	4.70
3	White Sox	32	0	1906	1.000	30	0	0.00	143	32	0	291.0	156	0	0	36	2		1,043	1	4.42	1.11	3.97	0.00	13.7	3.5	0.66	.181	0.00	4.82
4	Cardinals	30	0	1968	1.000	30	0	0.00	213	27	2	273.0	146	0	0	45	4	0	990	1	7.02	1.48	4.73	0.00	21.5	4.5	0.70	.201	0.00	4.81
5	Cubs	30	0	1906	1.000	31	0	0.00	134	28	2	268.0	123		0	68	6			2	4.50	2.28	1.97	0.00		7.1	0.71	.165	0.00	4.13
6	Cubs	29	0	1908	1.000	28	0	0.00	135	27	1	259.0	116	0	0	52	4		926	1	4.69	1.81	2.60	0.00	14.6	5.6	0.65	.158	0.00	4.03
7	Mets	28	0	1969	1.000	28	0	0.00	186	16	7	265.0	127	0	0	69	2	6	964	5	6.32	2.34	2.70	0.00	19.3	7.2	0.74	.180	0.00	4.31
8	Angels	28	0	1964	1.000	28	0	0.00	177	17	10	249.0	137	0	0	70	5	4	935	2	6.40	2.53	2.53	0.00	18.9	7.5	0.83	.201	0.00	4.95
9	Athletics	27	0	1909	1.000	27	0	0.00	145	27	0	252.0	133	0	0	51	7		918	3	5.18	1.82	2.84	0.00	15.8	5.6	0.73	.186	0.00	4.75
10	Athletics	27	0	1907	1.000	26	0	0.00	184	27	0	241.0	111	0	0	42	12		882	2	6.87	1.57	4.38	0.00	20.9	4.8	0.63	.172	0.00	4.15
11	Pirates	27	0	1906	1.000	26	0	0.00	111	26	0	244.0	141	0	0	50	10		883	0	4.09	1.84	2.22	0.00	12.6	5.7	0.78	.198	0.00	5.20
12	Naps	27	0	1906	1.000	27	0	0.00	117	27	0	242.0	129	0	0	37	6		868	1	4.35	1.38	3.16	0.00	13.5	4.3	0.69	.182	0.00	4.80
13	Indians	26	0	1948	1.000	26	0	0.00	107	23	2	238.0	112	0	0	71	3		871	3	4.05	2.68	1.51	0.00	12.3	8.2	0.77	.162	0.00	4.24
14	Cardinals	26	0	1944	1.000	26	0	0.00	104	26	0	234.0	117	0	0	55	4		845	2	4.00	2.12	1.89	0.00	12.3	6.5	0.74	.172	0.00	4.50
15	Red Sox	26	0	1918	1.000	26	0	0.00	87	25	0	232.0	105	0	0	61	5		836	0	3.38	2.37	1.43	0.00	10.4	7.3	0.72	.154	0.00	4.07
16	White Sox	26	0	1909	1.000	26	0	0.00	113	26	0	236.0	100	0	0	47	6		843	1	4.31	1.79	2.40	0.00	13.4	5.6	0.62	.148	0.00	3.81
17	White Sox	26	0	1904	1.000	26	0	0.00	109	26	0	234.0	110	0	0	45	5		843	0	4.19	1.73	2.42	0.00	12.9	5.3	0.66	.161	0.00	4.23
18	Athletics	26	0	1904	1.000	24	0	0.00	159	26	0	230.0	112	0	0	42	6		835	1	6.22	1.64	3.79	0.00	19.0	5.0	0.67	.178	0.00	4.38
19	Mets	25	0	1968	1.000	25	0	0.00	155	17	8	226.0	117	0	0	51	2	2	829	5	6.17	2.03	3.04	0.00	18.7	6.2	0.74	.188	0.00	4.66
20	Phillies	25	0	1916	1.000	24	0	0.00	97	25	0	224.0	135	0	0	22	3		793	2	3.90	0.88	4.41	0.00	12.2	2.8	0.70	.201	0.00	5.42
21	Senators	25	0	1914	.962	25	1	0.00	130	21	4	227.0	111	0	0	61	3			3	5.15	2.42	2.13	0.00		7.4	0.76	.176	0.00	4.40
22	Cubs	25	0	1910	1.000	25	0	0.00	127	22	0	230.0	128	0	0	58	7		854	3	4.97	2.27	2.19	0.00	14.9	6.8	0.81	.193	0.00	5.01
23	Giants	25	0	1908	1.000	25	0	0.00	112	24	1	225.0	123	0	0	32	3		820	0	4.48	1.28	3.50	0.00	13.7	3.9	0.69	.183	0.00	4.92
24	Braves	24	0	1992	1.000	24	0	0.00	147	14	8	216.0	115	0	0	42	2	1	789	3	6.13	1.75	3.50	0.00	18.6	5.3	0.73	.192	0.00	4.79
25	Dodgers	24	0	1988	1.000	24	0	0.00	158	15	8	216.0	118	0	0	38	3	3	787	0	6.58	1.58	4.16	0.00	20.1	4.8	0.72	.201	0.00	4.92