highest on base percentage first baseman

Jonathan Aranda has the best on-base percentage by a first baseman this season, with an on-base percentage of .428.

Interpreted as:

highest on base percentage with a minimum of 3.1 PA per team game first baseman 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	Jonathan Aranda J. Aranda	.428	2025	TBR	37	118	19	40	9	0	6	20	16	3	31	0	0	138	67	15	0	1	0	3	.339	.568	.995	29	12.9	.432	187	13.7
2	Pete Alonso P. Alonso	.419	2025	NYM	43	158	28	49	15	1	9	36	26	5	38	0	1	191	93	25	0	2	1	8	.310	.589	1.007	40	17.7	.431	182	18.3
3	Paul Goldschmidt P. Goldschmidt	.394	2025	NYY	42	160	26	55	11	0	4	21	12	2	30	3	0	175	78	15	0	1	2	3	.344	.488	.882	30	9.7	.384	150	10
4	Vladimir Guerrero Jr. V. Guerrero Jr.	.379	2025	TOR	41	155	22	44	8	0	4	19	24	1	34	0	1	182	64	12	0	2	3	3	.284	.413	.792	26	5	.349	127	5.5
5	Rhys Hoskins R. Hoskins	.376	2025	MIL	40	126	10	34	6	0	4	19	20	2	33	2	1	149	52	10	0	1	2	3	.270	.413	.789	21	4.2	.349	123	4
6	Josh Naylor J. Naylor	.367	2025	AZ	42	159	21	47	11	0	5	27	18	1	23	7	2	180	73	16	0	2	1	8	.296	.459	.826	28	6.7	.361	130	6.2
7	Bryce Harper B. Harper	.351	2025	PHI	41	155	23	36	8	0	7	22	29	0	39	6	0	185	65	15	0	1	2	2	.232	.419	.771	25	3.9	.340	117	3.6
8	Nolan Schanuel N. Schanuel	.348	2025	LAA	39	136	19	36	6	1	2	10	17	1	22	1	1	156	50	9	1	1	2	4	.265	.368	.716	19	0.5	.318	102	0.4
9	Michael Busch M. Busch	.348	2025	CHC	41	138	19	35	8	1	7	24	17	3	39	2	0	158	66	16	0	0	0	1	.254	.478	.826	24	6.1	.363	135	6.4
10	Matt Olson M. Olson	.346	2025	ATL	42	151	23	33	6	0	7	21	29	1	41	0	0	182	60	13	0	1	0	7	.219	.397	.744	24	3.1	.335	112	2.6
11	Willson Contreras W. Contreras	.345	2025	STL	41	153	19	39	7	0	6	23	15	6	44	2	0	175	64	13	1	0	1	6	.255	.418	.763	24	3.5	.339	118	3.7
12	Spencer Torkelson S. Torkelson	.344	2025	DET	43	154	30	37	11	0	11	34	23	3	44	1	0	183	81	22	0	3	2	5	.240	.526	.870	29	8.2	.370	142	8.7
13	Tyler Soderstrom T. Soderstrom	.339	2025	ATH	42	161	26	45	7	0	9	27	14	1	42	2	0	177	79	16	0	1	0	6	.280	.491	.830	27	6.7	.361	134	7
14	Carlos Santana C. Santana	.327	2025	CLE	40	141	20	31	3	0	4	19	21	3	31	2	0	168	46	7	0	3	1	2	.220	.326	.654	17	-2.2	.297	91	-1.7
15	Ty France T. France	.325	2025	MIN	41	150	18	39	8	0	3	21	10	5	27	1	0	166	56	11	0	1	0	4	.260	.373	.699	19	-0.1	.313	101	0.2
16	Luis Arraez L. Arraez	.325	2025	SDP	35	143	18	41	4	2	3	15	8	1	3	2	1	156	58	9	2	2	0	2	.287	.406	.730	19	0.9	.321	107	1.3
17	Nathaniel Lowe N. Lowe	.307	2025	WSH	43	161	15	37	7	0	7	29	17	1	50	1	0	179	65	14	0	0	0	4	.230	.404	.711	21	0.3	.316	101	0.2
18	Christian Walker C. Walker	.287	2025	HOU	40	150	18	32	7	1	4	15	12	4	48	0	0	167	53	12	0	1	0	6	.213	.353	.641	16	-3.5	.287	84	-3.1
19	Eric Wagaman E. Wagaman	.283	2025	MIA	37	135	16	31	8	1	3	10	10	0	25	1	1	145	50	12	0	0	0	5	.230	.370	.653	14	-2.8	.289	80	-3.4
20	Michael Toglia M. Toglia	.273	2025	COL	41	145	10	30	7	0	5	17	13	1	59	2	0	161	52	12	0	2	2	3	.207	.359	.632	14	-4.9	.275	60	-7.6
21	Vinnie Pasquantino V. Pasquantino	.271	2025	KCR	43	169	14	38	5	1	6	25	10	1	35	0	0	181	63	12	0	1	2	1	.225	.373	.643	16	-5	.279	72	-5.8
22	Spencer Steer S. Steer	.265	2025	CIN	36	137	20	26	6	0	3	11	13	1	38	3	0	151	41	9	0	0	0	4	.190	.299	.564	11	-6.8	.257	54	-8.1
23	Ryan Mountcastle R. Mountcastle	.263	2025	BAL	38	128	13	29	8	0	2	13	6	1	33	0	0	137	43	10	0	2	0	4	.227	.336	.599	10	-5.4	.264	69	-4.9
24	Andrew Vaughn A. Vaughn	.226	2025	CWS	40	156	9	30	7	0	5	17	7	0	39	0	0	164	52	12	0	1	0	3	.192	.333	.559	10	-8.9	.245	53	-8.9