most on base percentage by a first baseman in a season

Frank Thomas has the highest on-base percentage by a first baseman in a season, with an on-base percentage of .487 in 1994.

Interpreted as:

most on base percentage with a minimum of 3.1 PA per team game by a first baseman in a 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	Frank Thomas F. Thomas	.487	1994	CWS	113	399	106	141	34	1	38	101	109	2	61	2	3	517	291	73	0	7	12	15	.353	.729	1.217	138	72.3	.499	205	71.9
2	Norm Cash N. Cash	.487	1961	DET	159	535	119	193	22	8	41	132	124	9	85	11	5	672	354	71	2	2	19	16	.361	.662	1.148	168	88.3	.488	194	79.5
3	Lou Gehrig L. Gehrig	.478	1936	NYY	155	579	167	205	37	7	49	152	130	7	46	3	4	719	403	93	3				.354	.696	1.174	192	97.6	.512	178	85.8
4	Jason Giambi J. Giambi	.477	2001	OAK	154	520	109	178	47	2	38	120	129	13	83	2	0	671	343	87	0	9	24	17	.342	.660	1.137	162	78.3	.465	193	78.7
5	Jason Giambi J. Giambi	.476	2000	OAK	152	510	108	170	29	1	43	137	137	9	96	2	0	664	330	73	0	8	6	9	.333	.647	1.123	163	75.5	.471	182	74.3
6	Lou Gehrig L. Gehrig	.474	1927	NYY	155	584	149	218	52	18	47	173	109	3	84	10	8	717	447	117	21				.373	.765	1.240	199	110.9	.540	209	105.6
7	Lou Gehrig L. Gehrig	.473	1930	NYY	154	581	143	220	42	17	41	173	101	3	63	12	14	703	419	100	18				.379	.721	1.194	193	94.5	.507	198	98.3
8	Lou Gehrig L. Gehrig	.473	1937	NYY	157	569	138	200	37	9	37	158	127	4	49	4	3	700	366	83	0				.351	.643	1.116	173	85.5	.494	176	76.5
9	John Olerud J. Olerud	.473	1993	TOR	158	551	109	200	54	2	24	107	114	7	65	0	2	679	330	80	0	7	33	12	.363	.599	1.072	151	69.8	.454	180	66.6
10	Dan Brouthers D. Brouthers	.471	1891	BSA	130	486	117	170	26	19	5	109	87	24	20	31		597	249	50					.350	.512	.983	154	66.5	.471	164	60.2
11	Mark McGwire M. McGwire	.470	1998	STL	155	509	130	152	21	0	70	147	162	6	155	1	0	681	383	91	0	4	28	8	.299	.752	1.222	176	91.7	.492	205	90.7
12	Carlos Delgado C. Delgado	.470	2000	TOR	162	569	115	196	57	1	41	137	123	15	104	0	1	711	378	99	0	4	18	12	.344	.664	1.134	174	81	.471	179	76
13	Jimmie Foxx J. Foxx	.469	1932	PHA	154	585	151	213	33	9	58	169	116	0	96	3	7	701	438	100	0				.364	.749	1.218	193	105.6	.522	198	95.8
14	Todd Helton T. Helton	.469	2004	COL	154	547	115	190	49	2	32	96	127	3	72	3	0	683	339	83	0	6	19	12	.347	.620	1.088	156	71.6	.454	166	58.1
15	Lou Gehrig L. Gehrig	.467	1928	NYY	154	562	139	210	47	13	27	147	95	4	69	4	11	677	364	87	16				.374	.648	1.115	165	82.1	.496	192	80.9
16	Mark McGwire M. McGwire	.467	1996	OAK	130	423	104	132	21	0	52	113	116	8	112	0	0	548	309	73	0	1	16	14	.312	.730	1.198	142	71.8	.489	190	68.5
17	George Sisler G. Sisler	.467	1922	SLA	142	586	134	246	42	18	8	105	49	3	14	51	19	654	348	68	16				.420	.594	1.061	152	70.1	.481	170	61.2
18	Dan Brouthers D. Brouthers	.466	1890	BSP	123	460	117	152	36	9	1	97	99	18	17	28		577	209	46					.330	.454	.921	143	54.4	.451	141	41.6
19	Lou Gehrig L. Gehrig	.466	1935	NYY	149	535	125	176	26	10	30	120	132	5	38	8	7	672	312	66	0				.329	.583	1.049	154	70.5	.471	171	66.2
20	Lou Gehrig L. Gehrig	.465	1934	NYY	154	579	128	210	40	6	49	166	109	2	31	9	5	690	409	95	0				.363	.706	1.172	182	94.8	.511	194	90.9
21	Jimmie Foxx J. Foxx	.464	1939	BSA	124	467	130	168	31	10	35	105	89	2	72	4	3	563	324	76	5			17	.360	.694	1.158	144	74.3	.507	181	63.5
22	Todd Helton T. Helton	.463	2000	COL	160	580	138	216	59	2	42	147	103	4	61	5	3	697	405	103	0	10	22	12	.372	.698	1.162	174	82.4	.476	161	58
23	Jimmie Foxx J. Foxx	.463	1929	PHA	149	517	123	183	23	9	33	118	103	2	70	9	7	638	323	65	16				.354	.625	1.088	153	68.6	.480	176	66.1
24	Jimmie Foxx J. Foxx	.462	1938	BSA	149	565	139	197	33	9	50	175	119	0	76	5	4	685	398	92	1				.349	.704	1.166	178	91.7	.508	173	74.2
25	Dan Brouthers D. Brouthers	.462	1889	BSN	126	485	105	181	26	9	7	118	66	14	6	22		565	246	42					.373	.507	.969	146	59	.460	153	48.9

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2025 Division Standings

TEAM	W	L	PCT	GB
Guardians	88	74	.543
Tigers	87	75	.537	1.0
Royals	82	80	.506	6.0
Twins	70	92	.432	18.0
White Sox	60	102	.370	28.0

Schedule

DATE	MATCHUP			TIME (ET)
Thu 3/26	CWS	@	MIL	2:10 PM
Sat 3/28	CWS	@	MIL	7:10 PM
Sun 3/29	CWS	@	MIL	2:10 PM
Mon 3/30	CWS	@	MIA	6:40 PM
Tue 3/31	CWS	@	MIA	6:40 PM

Last Game

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Final

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Sun 28 Sep 2025

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RBI Leaders

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Batting Average Leaders

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OBP Leaders

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SLG Leaders

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SB Leaders

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MLB 2025 Pitching Leaders

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Strikeout Leaders

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WHIP Leaders

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deGrom

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K/9 Leaders

11.52

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Crochet

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K/BB Leaders

7.30

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Walk Leaders

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MLB Fantasy 2025

FanDuel Points Leaders

2,712.2

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DraftKings Points Leaders

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MLB 2025 Betting

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Worst Record ATS

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MLB 2025 Standings

NL East	W	L	PCT	GB
Phillies - y	96	66	.593
Mets	83	79	.512	13.0
Marlins	79	83	.488	17.0
Braves	76	86	.469	20.0
Nationals	66	96	.407	30.0
NL Central	W	L	PCT	GB
Brewers - y	97	65	.599
Cubs - w	92	70	.568	5.0
Reds - w	83	79	.512	14.0
Cardinals	78	84	.481	19.0
Pirates	71	91	.438	26.0
NL West	W	L	PCT	GB
Dodgers - y	93	69	.574
Padres - w	90	72	.556	3.0
Giants	81	81	.500	12.0
Diamondbacks	80	82	.494	13.0
Rockies	43	119	.265	50.0

AL East	W	L	PCT	GB
Blue Jays - y	94	68	.580
Yankees - w	94	68	.580
Red Sox - w	89	73	.549	5.0
Rays	77	85	.475	17.0
Orioles	75	87	.463	19.0
AL Central	W	L	PCT	GB
Guardians - y	88	74	.543
Tigers - w	87	75	.537	1.0
Royals	82	80	.506	6.0
Twins	70	92	.432	18.0
White Sox	60	102	.370	28.0
AL West	W	L	PCT	GB
Mariners - y	90	72	.556
Astros	87	75	.537	3.0
Rangers	81	81	.500	9.0
Athletics	76	86	.469	14.0
Angels	72	90	.444	18.0

MLB 2025 Scores & Schedule

Scores

DATE	MATCHUP			SCORE
Tue 9/16	CIN	@	STL	6-2
Tue 9/16	ATL	@	WSH	9-4
Tue 9/16	ATH	@	BOS	4-5
Tue 9/16	TOR	@	TBR	1-2
Tue 9/16	SEA	@	KCR	5-7

Schedule

DATE	MATCHUP			TIME (ET)
Wed 3/25	NYY	@	SFG	8:05 PM
Thu 3/26	PIT	@	NYM	1:15 PM
Thu 3/26	CWS	@	MIL	2:10 PM
Thu 3/26	WSH	@	CHC	2:20 PM
Thu 3/26	MIN	@	BAL	3:05 PM

Frank Thomas has the highest on-base percentage by a first baseman in a season, with an on-base percentage of .487 in 1994.

Interpreted as:

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