best obp in a month in 2021 with a minimum of 85 plate appearances

Juan Soto had the highest on-base percentage when making 85+ plate appearances in a month in 2021, with an on-base percentage of .565 in September 2021.

Interpreted as:

best obp by a player in a month in 2021 with a minimum of 85 plate appearances

	NAME	OBP	PA	MONTH	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	AVG	SLG	OPS
1	Juan Soto J. Soto	.565	131	September 2021	28	94	22	38	4	1	7	23	35	1	9	2	1	65	12	0	1	8	2	.404	.691	1.256
2	Mike Trout M. Trout	.523	88	April 2021	21	73	18	31	8	0	6	14	14	1	23	0	0	57	14	0	0	3	0	.425	.781	1.304
3	Juan Soto J. Soto	.505	109	August 2021	26	74	19	21	4	0	4	13	33	1	18	1	0	37	8	0	1	7	2	.284	.500	1.005
4	Vladimir Guerrero Jr. V. Guerrero Jr.	.490	102	April 2021	24	80	16	28	4	0	7	20	20	2	16	1	0	53	11	0	0	1	2	.350	.663	1.153
5	Juan Soto J. Soto	.487	115	July 2021	26	90	24	32	3	0	9	22	24	0	15	1	2	62	12	0	1	1	7	.356	.689	1.176
6	Freddie Freeman F. Freeman	.479	119	July 2021	27	97	23	36	3	0	6	15	19	2	14	2	2	57	9	0	1	3	0	.371	.588	1.067
7	Nick Castellanos N. Castellanos	.476	105	May 2021	24	93	19	38	9	0	5	15	12	0	20	0	1	62	14	0	0	0	2	.409	.667	1.143
8	Jonathan India J. India	.470	117	July 2021	25	91	20	29	7	0	4	12	18	8	27	1	0	48	11	0	0	0	2	.319	.527	.998
9	Yasmani Grandal Y. Grandal	.470	100	September 2021	23	75	13	24	4	0	5	13	22	1	14	0	0	43	9	0	2	0	5	.320	.573	1.043
10	Vladimir Guerrero Jr. V. Guerrero Jr.	.465	114	June 2021	26	97	24	36	5	1	10	24	17	0	27	1	1	73	16	0	0	1	3	.371	.753	1.217
11	C.J. Cron	.463	108	August 2021	26	93	18	36	8	0	11	34	13	1	21	0	0	77	19	0	1	2	3	.387	.828	1.291
12	Tyler Naquin T. Naquin	.457	94	August 2021	25	83	19	32	9	1	6	13	11	0	20	1	1	61	16	0	0	0	2	.386	.735	1.192
13	Nelson Cruz N. Cruz	.457	92	June 2021	22	79	12	30	6	0	8	19	11	1	15	1	0	60	14	0	1	1	6	.380	.759	1.216
14	Kyle Farmer K. Farmer	.456	90	July 2021	22	81	15	32	7	1	5	9	4	5	15	1	1	56	13	0	0	1	2	.395	.691	1.147
15	Michael Brantley M. Brantley	.456	90	June 2021	20	83	14	34	8	1	1	15	6	1	8	0	0	47	10	0	0	0	3	.410	.566	1.022
16	Bryce Harper B. Harper	.455	124	August 2021	28	98	25	33	11	1	10	25	22	1	21	0	1	76	22	1	2	4	1	.337	.776	1.231
17	Corey Seager C. Seager	.455	110	September 2021	26	93	14	34	5	1	8	19	16	0	10	0	1	65	14	0	1	0	1	.366	.699	1.153
18	Yoán Moncada Y. Moncada	.455	121	May 2021	29	96	17	30	9	0	1	14	24	1	35	0	0	42	10	0	0	0	0	.313	.438	.892
19	Yermin Mercedes Y. Mercedes	.455	88	April 2021	22	82	10	34	5	0	5	16	6	0	12	0	1	54	10	0	0	1	1	.415	.659	1.113
20	Bryce Harper B. Harper	.452	116	September 2021	27	89	20	27	8	0	8	19	25	0	27	1	1	59	16	1	1	5	4	.303	.663	1.115
21	Cedric Mullins C. Mullins	.452	115	June 2021	26	100	20	38	8	1	8	16	11	3	20	7	0	72	17	0	1	0	1	.380	.720	1.172
22	Bryce Harper B. Harper	.452	104	July 2021	25	84	15	28	11	0	3	15	19	0	18	5	1	48	14	0	1	1	2	.333	.571	1.023
23	Carlos Correa C. Correa	.451	113	June 2021	25	91	23	30	7	0	7	22	19	2	22	0	0	58	14	0	1	0	3	.330	.637	1.089
24	Brandon Belt B. Belt	.451	102	September 2021	22	86	23	30	5	0	9	18	12	4	21	0	1	62	14	0	0	2	3	.349	.721	1.172
25	Brandon Crawford B. Crawford	.449	107	September 2021	25	91	18	32	6	1	5	16	14	2	13	1	1	55	12	0	0	0	2	.352	.604	1.053