Pete Alonso had the highest OPS by a first baseman this season, with an OPS of .871.

Interpreted as:

MLB 1st basemen ops with a minimum of 3.1 PA per team game leaders this regular season

	NAME	OPS	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	WRC	WRAA	WOBA	WRC+	BRAA
1	Pete Alonso P. Alonso	.871	2025	NYM	162	624	87	170	41	1	38	126	61	15	162	1	2	709	327	80	0	9	5	23	.272	.347	.524	116	31.8	.368	142	34.9
2	Freddie Freeman F. Freeman	.869	2025	LAD	147	556	81	164	39	2	24	90	60	6	128	6	2	627	279	65	0	5	7	13	.295	.367	.502	103	28.8	.370	140	30.1
3	Michael Busch M. Busch	.866	2025	CHC	155	524	78	137	25	5	34	90	56	10	139	4	0	592	274	64	0	2	2	2	.261	.343	.523	97	26.7	.369	141	28.6
4	Matt Olson M. Olson	.850	2025	ATL	162	624	98	170	41	2	29	95	91	4	176	1	0	724	302	72	0	5	2	14	.272	.366	.484	117	31.3	.366	135	30.2
5	Vladimir Guerrero Jr. V. Guerrero Jr.	.848	2025	TOR	156	589	96	172	34	0	23	84	81	6	94	6	3	680	275	57	0	4	8	17	.292	.381	.467	109	29	.366	137	30
6	Bryce Harper B. Harper	.844	2025	PHI	132	501	72	131	32	0	27	75	70	6	121	12	2	580	244	59	0	3	6	5	.261	.357	.487	91	22.6	.361	132	22.3
7	Ben Rice B. Rice	.836	2025	NYY	138	467	74	119	28	4	26	65	50	9	100	3	2	528	233	58	0	2	0	18	.255	.337	.499	82	19.5	.358	132	19.6
8	Josh Naylor J. Naylor	.816	2025	TOT	147	543	81	160	29	1	20	92	48	4	83	30	2	600	251	50	0	5	4	17	.295	.353	.462	89	18.3	.351	127	19.3
9	Ryan O'Hearn R. O'Hearn	.803	2025	TOT	144	474	67	133	21	1	17	63	58	8	109	3	1	544	207	39	0	4	4	11	.281	.366	.437	80	16	.349	128	17.7
10	Alec Burleson A. Burleson	.801	2025	STL	139	497	54	144	26	2	18	69	39	3	79	5	1	544	228	46	1	4	1	14	.290	.343	.459	79	14.4	.346	124	15.5
11	Vinnie Pasquantino V. Pasquantino	.798	2025	KCR	160	621	72	164	33	1	32	113	49	7	107	1	0	682	295	66	0	5	5	14	.264	.323	.475	95	14.8	.340	114	11
12	Willson Contreras W. Contreras	.791	2025	STL	135	490	70	126	31	1	20	80	44	23	142	5	1	562	219	52	1	4	1	15	.257	.344	.447	81	14.2	.344	123	15.4
13	Spencer Torkelson S. Torkelson	.789	2025	DET	155	563	82	135	27	1	31	78	72	9	169	2	1	649	257	59	0	5	6	12	.240	.333	.456	90	13.5	.339	119	14.4
14	Nolan Schanuel N. Schanuel	.742	2025	LAA	132	488	64	129	23	1	12	53	59	10	71	5	1	564	190	36	3	4	4	10	.264	.353	.389	73	6.4	.327	108	5.2
15	Paul Goldschmidt P. Goldschmidt	.731	2025	NYY	145	489	76	134	31	1	10	45	36	4	100	5	1	531	197	42	0	2	5	8	.274	.328	.403	64	1.3	.316	102	1.5
16	Spencer Steer S. Steer	.723	2025	CIN	146	509	66	121	21	2	21	75	51	5	129	7	1	568	209	44	1	2	0	12	.238	.312	.411	68	1.3	.316	96	-3
17	Luis Arraez L. Arraez	.719	2025	SDP	154	620	66	181	30	4	8	61	34	2	21	11	4	675	243	42	12	7	0	12	.292	.327	.392	80	0.2	.313	104	3.1
18	Christian Walker C. Walker	.717	2025	HOU	154	585	72	139	24	1	27	88	40	11	177	2	1	640	246	52	0	4	1	10	.238	.297	.421	74	-1.4	.310	99	-0.4
19	Nathaniel Lowe N. Lowe	.689	2025	TOT	153	540	64	123	23	3	18	84	62	2	159	1	0	609	206	44	0	5	2	6	.228	.307	.381	66	-5.8	.301	91	-6.2
20	Eric Wagaman E. Wagaman	.674	2025	MIA	140	476	56	119	28	3	9	53	32	1	100	4	1	514	180	40	0	5	0	11	.250	.296	.378	52	-8.3	.293	84	-9.7