yankees worst obp in a month since 1928 minimum 8 games

Since 1928, the New York Yankees have their worst on-base percentage with 8+ games played in a month in September 1966, with an on-base percentage of .266.

	TEAM	OBP	G	MONTH	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	SLG	OPS
1	Yankees	.266	23	September 1966	.348	8	15	781	75	164	13	4	26	72	56	5	150	4	3	853	263	43	7	4	2	5	.210	.337	.603
2	Yankees	.273	23	June 2023	.478	11	12	746	88	155	37	2	29	83	59	9	181	9	4	818	283	68	0	4	2	17	.208	.379	.652
3	Yankees	.274	27	September 1967	.444	12	15	852	65	180	24	2	12	56	73	2	178	18	9	947	244	38	16	4	6	16	.211	.286	.560
4	Yankees	.275	25	May 1967	.360	9	16	806	75	159	24	2	18	66	83	4	177	6	3	903	241	44	8	2	5	19	.197	.299	.574
5	Yankees	.279	17	April 1968	.471	8	9	542	50	101	13	1	9	45	70	1	98	17	4	621	143	23	4	4	3	8	.186	.264	.543
6	Yankees	.281	28	August 1965	.536	15	13	945	92	229	31	7	33	89	52	1	167	2	5	1,010	373	71	8	4	9	15	.242	.395	.676
7	Yankees	.282	27	September 1965	.333	9	18	910	91	199	21	6	20	87	79	3	197	5	2	1,008	292	47	11	5	6	19	.219	.321	.603
8	Yankees	.284	28	May 1969	.444	12	15	923	84	204	30	7	16	79	82	2	147	19	11	1,019	296	53	4	8	6	16	.221	.321	.604
9	Yankees	.284	27	September 2014	.519	14	13	884	98	198	40	5	24	92	68	9	189	17	3	972	320	69	3	8	0	12	.224	.362	.646
10	Yankees	.284	28	August 1987	.393	11	17	949	104	228	38	1	36	99	57	4	162	7	2	1,028	376	75	11	7	5	22	.240	.396	.680
11	Yankees	.284	36	August 1968	.543	19	16	1,191	98	241	32	8	23	93	132	6	223	22	10	1,351	358	63	18	4	17	19	.202	.301	.585
12	Yankees	.285	28	July 1968	.536	15	13	889	92	186	22	6	20	84	91	5	185	17	7	997	280	48	8	4	6	18	.209	.315	.600
13	Yankees	.285	29	July 1975	.379	11	18	959	96	213	39	7	13	91	81	6	146	9	8	1,065	305	59	13	6	7	24	.222	.318	.603
14	Yankees	.285	28	May 1966	.556	15	12	890	90	201	29	7	18	81	76	2	145	10	8	988	298	54	10	10	8	16	.226	.335	.620
15	Yankees	.286	28	May 2013	.536	15	13	939	102	219	39	7	27	98	65	6	224	21	6	1,019	353	73	4	5	6	19	.233	.376	.662
16	Yankees	.286	32	May 1965	.406	13	19	1,060	113	230	46	9	22	105	104	2	160	12	4	1,189	360	77	13	10	13	25	.217	.340	.625
17	Yankees	.286	32	June 1963	.594	19	13	1,077	130	261	38	5	39	123	65	3	153	3	6	1,161	426	82	12	4	7	15	.242	.396	.682
18	Yankees	.286	27	May 1990	.370	10	17	917	108	213	34	5	22	102	63	9	175	21	4	1,000	323	61	5	6	5	23	.232	.352	.639
19	Yankees	.288	27	September 2013	.481	13	14	916	111	203	53	6	21	106	79	8	230	14	6	1,010	331	80	2	5	1	12	.222	.361	.649
20	Yankees	.288	14	April 1966	.214	3	11	445	39	94	16	1	10	33	49	0	72	7	1	501	142	27	5	2	1	17	.211	.319	.607
21	Yankees	.289	30	August 1990	.533	16	14	1,017	101	232	38	3	30	94	79	9	189	20	8	1,115	366	71	6	4	7	11	.228	.360	.648
22	Yankees	.290	27	June 2013	.407	11	16	887	88	198	39	1	18	84	78	8	207	22	3	990	293	58	10	7	8	25	.223	.330	.620
23	Yankees	.292	31	June 1967	.484	15	16	993	93	214	24	4	23	84	102	7	183	7	6	1,117	315	51	9	6	7	17	.216	.317	.609
24	Yankees	.293	30	August 1964	.467	14	16	992	110	239	34	6	34	103	72	3	179	13	2	1,086	387	74	13	6	9	20	.241	.390	.683
25	Yankees	.293	13	April 1954	.462	6	7	426	42	93	16	4	13	38	45	3	60	3	6	485	156	33	4	7		5	.218	.366	.659