Andrew Vaughn has the worst on-base percentage this season, with an on-base percentage of .218.

Interpreted as:

least obp with a minimum of 3.1 PA per team game by a player this regular season

	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	Andrew Vaughn A. Vaughn	.218	2025	CWS	48	185	9	35	8	0	5	19	7	0	43	0	0	193	58	13	0	1	0	4	.189	.314	.531	10	-12.3	.233	44	-12
2	Michael Massey M. Massey	.228	2025	KCR	51	184	10	39	5	0	2	14	4	1	29	1	0	194	50	7	1	4	0	3	.212	.272	.500	8	-14.4	.220	31	-15
3	Joey Ortiz J. Ortiz	.246	2025	MIL	55	172	18	31	5	0	2	7	13	2	31	5	2	191	42	7	4	0	0	4	.180	.244	.490	9	-13.2	.227	39	-13.7
4	Luis Rengifo L. Rengifo	.254	2025	LAA	50	171	14	38	7	0	1	11	8	0	29	1	3	182	48	8	1	2	0	5	.222	.281	.535	10	-10.8	.239	47	-10.7
5	Adolis García A. García	.256	2025	TEX	56	197	16	41	11	0	7	27	11	3	57	5	2	215	73	18	0	4	0	2	.208	.371	.626	18	-6.8	.274	74	-6.2
6	Michael Harris II M. Harris II	.259	2025	ATL	55	210	12	48	10	2	3	32	10	0	42	9	2	226	71	15	2	4	1	2	.229	.338	.597	16	-9.8	.259	60	-10.6
7	Marcus Semien M. Semien	.260	2025	TEX	56	196	13	34	1	0	3	18	22	2	48	3	1	223	44	4	0	3	0	4	.173	.224	.485	11	-15	.229	42	-14.4
8	Salvador Perez S. Perez	.260	2025	KCR	53	207	11	46	14	0	4	26	9	2	48	0	0	219	72	18	0	1	0	7	.222	.348	.608	17	-7.9	.268	65	-8.6
9	Trevor Story T. Story	.263	2025	BOS	54	211	22	46	3	0	6	21	10	3	67	9	0	225	67	9	1	0	0	0	.218	.318	.581	16	-9.5	.261	59	-10.4
10	Taylor Ward T. Ward	.265	2025	LAA	54	211	32	46	11	1	15	37	15	0	64	1	1	230	104	27	0	4	1	3	.218	.493	.758	28	1.3	.321	105	1.4
11	Josh Bell J. Bell	.268	2025	WSH	47	162	17	28	1	1	8	19	19	2	40	0	1	183	55	10	0	0	0	6	.173	.340	.607	15	-5.7	.274	72	-6
12	Jackson Chourio J. Chourio	.270	2025	MIL	56	241	31	58	16	1	8	29	9	1	55	9	3	252	100	25	0	1	0	6	.241	.415	.685	26	-3.3	.297	87	-4
13	Michael Toglia M. Toglia	.271	2025	COL	53	182	14	36	9	1	6	20	18	1	79	2	0	203	65	16	0	2	2	4	.198	.357	.628	17	-6.3	.275	59	-9.9
14	Austin Wells A. Wells	.271	2025	NYY	47	155	18	32	9	1	8	31	13	3	41	3	0	177	67	18	0	6	0	5	.206	.432	.703	19	-1.7	.302	94	-1.2
15	Anthony Santander A. Santander	.273	2025	TOR	50	184	14	33	5	0	6	18	24	0	55	0	0	209	56	11	0	1	1	6	.179	.304	.577	15	-8.6	.262	67	-7.8
16	Yainer Diaz Y. Diaz	.275	2025	HOU	49	183	19	43	6	1	6	23	8	2	37	0	1	193	69	13	0	0	0	5	.235	.377	.652	18	-4	.287	85	-3.3
17	Luis Robert Jr. L. Robert Jr.	.275	2025	CWS	52	182	24	34	6	0	5	20	23	0	63	21	5	207	55	11	0	2	1	4	.187	.302	.578	15	-8.6	.261	64	-8.3
18	Christian Walker C. Walker	.277	2025	HOU	54	203	23	43	8	1	7	25	14	5	59	0	0	224	74	16	0	2	0	6	.212	.365	.641	21	-5.2	.285	83	-4.3
19	Matt McLain M. McLain	.277	2025	CIN	49	177	24	32	4	0	6	18	21	3	64	11	0	203	54	10	1	1	0	3	.181	.305	.582	16	-7.5	.267	60	-9.5
20	Brenton Doyle B. Doyle	.279	2025	COL	46	173	16	37	7	1	5	21	16	0	45	6	0	190	61	13	0	1	0	4	.214	.353	.632	17	-4.9	.281	63	-8.3
21	Ryan Mountcastle R. Mountcastle	.280	2025	BAL	52	187	19	46	13	0	2	15	8	2	46	1	0	200	65	15	0	3	0	6	.246	.348	.628	17	-5.9	.277	78	-4.9
22	Yandy Díaz Y. Díaz	.281	2025	TBR	52	211	20	50	11	0	7	31	13	1	34	3	0	228	82	18	0	3	0	5	.237	.389	.669	22	-3.8	.293	92	-2.1
23	Ceddanne Rafaela C. Rafaela	.283	2025	BOS	53	177	31	41	9	2	3	20	10	3	38	7	0	193	63	14	2	1	0	0	.232	.356	.639	17	-4.7	.283	75	-5.5
24	Junior Caminero J. Caminero	.284	2025	TBR	52	203	26	52	11	0	11	32	9	0	41	3	0	215	96	22	0	3	0	16	.256	.473	.757	27	1.9	.325	114	3.4
25	Lourdes Gurriel Jr. L. Gurriel Jr.	.284	2025	AZ	52	204	19	50	12	1	8	31	11	2	30	3	0	222	88	21	0	5	0	2	.245	.431	.715	24	-1	.308	93	-1.8