which team has the worst on base percentage

The Colorado Rockies have the worst on-base percentage by a team this season, with an on-base percentage of .289.

Interpreted as:

Which team has the worst on base percentage this regular season?

	TEAM	OBP	SEASON	G	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	Rockies	.289	2025	84	.226	19	65	2,812	295	638	135	25	79	289	225	29	832	45	21	3,091	1,060	239	8	17	5	62	.227	.377	.666
2	Rangers	.293	2025	84	.488	41	43	2,776	308	629	115	8	83	296	240	33	684	72	19	3,079	1,009	206	5	25	10	44	.227	.363	.657
3	White Sox	.295	2025	84	.333	28	56	2,742	287	608	126	7	65	272	274	18	724	57	17	3,068	943	198	12	22	4	50	.222	.344	.638
4	Angels	.296	2025	83	.494	41	42	2,770	359	633	112	9	124	345	227	44	808	37	18	3,066	1,135	245	7	18	11	50	.229	.410	.705
5	Guardians	.298	2025	82	.488	40	42	2,667	303	603	114	8	81	288	257	28	679	65	19	2,989	976	203	11	26	12	51	.226	.366	.664
6	Royals	.299	2025	84	.464	39	45	2,812	277	688	141	15	58	273	201	27	575	64	29	3,081	1,033	214	18	23	13	44	.245	.367	.666
7	Orioles	.307	2025	83	.434	36	47	2,767	345	665	125	10	98	324	236	39	728	58	17	3,069	1,104	233	3	24	7	61	.240	.399	.706
8	Pirates	.307	2025	85	.412	35	50	2,819	297	659	112	14	60	287	277	30	744	74	22	3,154	979	186	8	20	11	74	.234	.347	.654
9	Nationals	.311	2025	84	.417	35	49	2,818	366	689	142	11	85	350	243	38	634	74	30	3,135	1,108	238	16	20	10	51	.244	.393	.704
10	Twins	.312	2025	84	.476	40	44	2,818	356	678	132	8	96	343	248	51	694	40	14	3,136	1,114	236	2	17	5	54	.241	.395	.707
11	Giants	.313	2025	84	.536	45	39	2,744	349	632	121	14	79	330	305	34	703	44	17	3,125	1,018	214	18	24	6	58	.230	.371	.684
12	Padres	.315	2025	83	.542	45	38	2,762	345	682	125	11	73	321	265	22	579	57	16	3,093	1,048	209	19	25	9	54	.247	.379	.695
13	Athletics	.316	2025	86	.395	34	52	2,925	354	725	133	9	104	342	279	20	708	46	11	3,245	1,188	246	5	16	5	79	.248	.406	.722
14	Marlins	.317	2025	82	.451	37	45	2,821	353	717	142	13	72	340	253	19	671	67	26	3,131	1,101	227	16	22	6	47	.254	.390	.708
15	Braves	.318	2025	83	.458	38	45	2,807	339	684	115	8	84	326	293	24	710	42	13	3,151	1,067	207	7	20	9	52	.244	.380	.699
16	Reds	.320	2025	84	.524	44	40	2,816	387	697	138	10	91	369	283	26	733	65	23	3,153	1,128	239	6	22	7	53	.248	.401	.720
17	Astros	.320	2025	84	.595	50	34	2,802	350	714	117	7	91	333	241	39	649	47	19	3,113	1,118	215	9	22	7	69	.255	.399	.719
18	Red Sox	.321	2025	85	.482	41	44	2,928	399	727	159	13	102	380	284	40	790	70	17	3,278	1,218	274	7	19	16	47	.248	.416	.737
19	Brewers	.322	2025	84	.560	47	37	2,811	397	695	121	8	79	368	291	33	674	99	29	3,179	1,069	208	18	26	10	43	.247	.380	.703
20	Mets	.323	2025	85	.565	48	37	2,840	368	695	135	13	109	359	294	50	669	64	10	3,215	1,183	257	3	28	14	70	.245	.417	.740
21	Rays	.324	2025	84	.560	47	37	2,836	403	734	130	9	93	382	256	28	700	108	25	3,151	1,161	232	8	23	3	58	.259	.409	.733
22	Mariners	.324	2025	83	.518	43	40	2,866	380	708	114	4	107	367	290	47	736	79	22	3,237	1,151	225	14	20	14	54	.247	.402	.726
23	Cubs	.325	2025	84	.583	49	35	2,914	453	745	148	17	124	444	288	22	659	100	17	3,256	1,299	289	7	25	9	36	.256	.446	.770
24	Tigers	.325	2025	85	.624	53	32	2,874	424	735	138	19	106	408	270	38	736	30	7	3,216	1,229	263	5	29	7	47	.256	.428	.752
25	Cardinals	.325	2025	85	.553	47	38	2,891	403	737	145	4	87	383	268	44	658	47	15	3,237	1,151	236	9	25	12	59	.255	.398	.723