Juan Soto had the highest on-base percentage in 2021, with an on-base percentage of .465.

Interpreted as:

highest on base percentage with a minimum of 3.1 PA per team game by a player 2021

	NAME	OBP	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Juan Soto J. Soto	.465	2021	WSH	151	502	111	157	20	2	29	95	145	2	93	9	7	654	268	51	0	5	23	23	.313	.534	.999	136	57.3	.420	164	53.2
2	Bryce Harper B. Harper	.429	2021	PHI	141	488	101	151	42	1	35	84	100	5	134	13	3	599	300	78	2	4	14	12	.309	.615	1.044	130	57.7	.431	171	54
3	Vladimir Guerrero Jr. V. Guerrero Jr.	.401	2021	TOR	161	604	123	188	29	1	48	111	86	6	110	4	1	698	363	78	0	2	7	20	.311	.601	1.002	145	60.4	.419	166	56.1
4	Freddie Freeman F. Freeman	.393	2021	ATL	159	600	120	180	25	2	31	83	85	8	107	8	3	695	302	58	0	2	15	11	.300	.503	.896	121	37.2	.379	136	32
5	Bryan Reynolds B. Reynolds	.390	2021	PIT	159	559	93	169	35	8	24	90	75	8	119	5	2	646	292	67	0	4	9	10	.302	.522	.912	116	37.7	.385	140	32.9
6	Yuli Gurriel Y. Gurriel	.383	2021	HOU	143	530	83	169	31	0	15	81	59	4	68	1	1	605	245	46	0	12	2	16	.319	.462	.846	98	24.4	.363	133	24.3
7	Starling Marte S. Marte	.383	2021	TOT	120	467	89	145	27	3	12	55	43	13	99	47	5	526	214	42	1	2	2	6	.310	.458	.841	85	21.8	.364	132	21.2
8	Jonathan India J. India	.376	2021	CIN	150	532	98	143	34	2	21	69	71	23	141	12	3	631	244	57	1	4	1	13	.269	.459	.835	102	25.2	.363	122	17.4
9	Joey Votto J. Votto	.375	2021	CIN	129	448	73	119	23	1	36	99	77	4	127	1	0	533	252	60	0	4	6	7	.266	.563	.938	98	33.9	.391	140	27.4
10	Yoán Moncada Y. Moncada	.375	2021	CWS	144	520	74	137	33	1	14	61	84	10	157	3	2	616	214	48	0	2	1	6	.263	.412	.787	91	16.7	.347	120	15.1
11	C.J. Cron	.375	2021	COL	142	470	70	132	31	1	28	92	60	13	117	1	0	547	249	60	0	4	3	11	.281	.530	.905	97	31	.383	125	17.7
12	Trea Turner T. Turner	.375	2021	TOT	148	595	107	195	34	3	28	77	41	6	110	32	5	646	319	65	0	4	2	18	.328	.536	.911	117	38.4	.386	143	35.1
13	Brandon Crawford B. Crawford	.373	2021	SFG	138	483	79	144	30	3	24	90	56	5	105	11	3	549	252	57	0	5	6	8	.298	.522	.895	95	28.5	.377	140	27.7
14	Aaron Judge A. Judge	.373	2021	NYY	148	550	89	158	24	0	39	98	75	3	158	6	1	633	299	63	0	5	2	16	.287	.544	.916	115	38	.387	150	38.7
15	Shohei Ohtani S. Ohtani	.372	2021	LAA	155	537	103	138	26	8	46	100	96	4	189	26	10	639	318	80	0	2	20	7	.257	.592	.965	119	41.8	.393	150	39.4
16	Matt Olson M. Olson	.371	2021	OAK	156	565	101	153	35	0	39	111	88	9	113	4	1	673	305	74	0	11	12	17	.271	.540	.911	117	35.7	.379	147	38.9
17	Xander Bogaerts X. Bogaerts	.370	2021	BOS	144	529	90	156	34	1	23	79	62	5	113	5	1	603	261	58	0	7	2	13	.295	.493	.863	100	26.7	.368	129	21.5
18	Max Muncy M. Muncy	.368	2021	LAD	144	497	95	124	26	2	36	94	83	11	120	2	1	592	262	64	0	1	5	7	.249	.527	.895	103	31.5	.379	140	29.9
19	Adam Frazier A. Frazier	.368	2021	TOT	155	577	83	176	36	5	5	43	48	10	69	10	5	639	237	46	3	1	2	10	.305	.411	.779	91	13.7	.341	113	10.7
20	Ty France T. France	.368	2021	SEA	152	571	85	166	32	1	18	73	46	27	106	0	0	650	254	51	0	6	1	13	.291	.445	.813	99	20.8	.353	129	23
21	Mookie Betts M. Betts	.367	2021	LAD	122	466	93	123	29	3	23	58	68	11	86	10	5	550	227	55	0	5	2	5	.264	.487	.854	90	23.2	.365	131	21.8
22	Austin Riley A. Riley	.367	2021	ATL	160	590	91	179	33	1	33	107	52	12	168	0	1	662	313	67	0	8	2	11	.303	.531	.898	116	35.6	.379	136	30.7
23	Carlos Correa C. Correa	.366	2021	HOU	148	555	104	155	34	1	26	92	75	4	116	0	0	640	269	61	0	6	2	16	.279	.485	.850	104	26	.364	133	25.9
24	Nicky Lopez N. Lopez	.365	2021	KCR	151	497	78	149	21	6	2	43	49	4	74	22	1	565	188	29	12	3	0	9	.300	.378	.744	75	6.7	.329	105	3.1
25	Paul Goldschmidt P. Goldschmidt	.365	2021	STL	158	603	102	177	36	2	31	99	67	4	136	12	0	679	310	69	0	5	2	13	.294	.514	.879	115	33.2	.373	136	31.4