DJ LeMahieu had the best on-base percentage by a second baseman in 2020, with an on-base percentage of .421.

Interpreted as:

top 10 obp with a minimum of 3.1 PA per team game for 2nd baseman 2020

	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	DJ LeMahieu	.421	2020	NYY	50	195	41	71	10	2	10	27	18	2	21	3	0	216	115	22	0	1	0	3	.364	.590	1.011	47	19.8	.429	177	20.6
2	Cavan Biggio C. Biggio	.375	2020	TOR	59	220	41	55	16	0	8	28	41	3	61	6	0	264	95	24	0	0	0	2	.250	.432	.807	41	7.9	.355	122	7.2
3	Tommy La Stella T. La Stella	.370	2020	TOT	55	196	31	55	14	2	5	25	27	2	12	1	0	228	88	21	1	2	0	6	.281	.449	.819	35	6.9	.355	128	7.8
4	Donovan Solano D. Solano	.365	2020	SFG	54	190	22	62	15	1	3	29	10	2	39	0	0	203	88	19	0	1	0	2	.326	.463	.828	32	6.4	.357	125	6.4
5	Brandon Lowe B. Lowe	.362	2020	TBR	56	193	36	52	9	2	14	37	25	4	58	3	0	224	107	25	0	2	0	2	.269	.554	.916	40	12.3	.385	151	14.2
6	Cesar Hernandez C. Hernandez	.355	2020	CLE	58	233	35	66	20	0	3	20	24	2	57	0	0	260	95	23	1	0	0	3	.283	.408	.763	36	3.4	.335	113	4
7	Jake Cronenworth J. Cronenworth	.354	2020	SDP	54	172	26	49	15	3	4	20	18	1	30	3	1	192	82	22	0	1	0	4	.285	.477	.831	30	5.8	.356	127	6.6
8	Kolten Wong K. Wong	.350	2020	STL	53	181	26	48	4	2	1	16	20	4	30	5	2	208	59	7	2	1	1	1	.265	.326	.675	23	-2.7	.305	92	-2.1
9	Jean Segura J. Segura	.347	2020	PHI	54	192	28	51	5	2	7	25	23	1	45	2	2	217	81	14	1	0	2	6	.266	.422	.769	30	2.4	.333	106	1.6
10	Ketel Marte K. Marte	.323	2020	ARI	45	181	19	52	14	1	2	17	7	4	21	1	0	195	74	17	0	3	0	2	.287	.409	.732	24	-0.7	.316	94	-1.4
11	Hanser Alberto H. Alberto	.306	2020	BAL	54	219	35	62	15	0	3	22	5	3	30	3	0	231	86	18	2	2	0	6	.283	.393	.698	25	-3.6	.301	87	-3.6
12	Adam Frazier A. Frazier	.297	2020	PIT	58	209	22	48	7	0	7	23	17	3	35	1	3	230	76	14	1	0	0	3	.230	.364	.661	23	-5.6	.291	79	-6.2
13	Keston Hiura K. Hiura	.297	2020	MIL	59	217	30	46	4	0	13	32	16	11	85	3	2	246	89	17	0	2	2	7	.212	.410	.707	28	-3.4	.304	88	-3.9
14	Ryan McMahon R. McMahon	.295	2020	COL	52	172	23	37	6	1	9	26	18	2	66	0	1	193	72	16	0	1	0	4	.215	.419	.714	22	-2	.308	76	-5.8
15	Jose Altuve J. Altuve	.286	2020	HOU	48	192	32	42	9	0	5	18	17	1	39	2	3	210	66	14	0	0	0	5	.219	.344	.629	19	-7.4	.278	74	-6.7
16	Nicky Lopez N. Lopez	.286	2020	KCR	56	169	15	34	8	0	1	13	18	2	41	0	5	192	45	9	3	0	0	1	.201	.266	.552	13	-10.7	.254	54	-11