Freddie Freeman has the highest career OPS by an active first baseman, with an OPS of .896.

Interpreted as:

highest ops with a minimum of 1500 PA by an active 1b all-time

	NAME	OPS	PA	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	WRC	WRAA	WOBA	WRC+	BRAA
1	Freddie Freeman F. Freeman	.896	9,100	2,118	7,881	1,345	2,362	534	32	353	1,281	1,045	110	1,717	99	31	4,019	919	0	64	140	167	.300	.386	.510	1553	491	.381	142	458.8
2	Paul Goldschmidt P. Goldschmidt	.887	8,647	2,021	7,461	1,261	2,155	469	24	370	1,224	1,079	51	1,942	174	36	3,782	863	0	56	121	173	.289	.380	.507	1448	435.9	.377	138	391.4
3	Vladimir Guerrero Jr. V. Guerrero Jr.	.873	3,452	793	3,041	484	879	170	4	158	486	361	34	519	25	11	1,531	332	0	16	38	100	.289	.369	.503	575	164.5	.372	141	166.8
4	Matt Olson M. Olson	.860	4,878	1,148	4,221	665	1,080	232	5	277	777	573	54	1,160	8	2	2,153	514	0	30	46	101	.256	.350	.510	779	195.9	.363	133	197.1
5	Pete Alonso P. Alonso	.858	4,040	946	3,510	546	883	168	8	247	663	404	97	921	18	4	1,808	423	0	29	46	99	.252	.343	.515	638	153.5	.361	133	164.8
6	Yandy Díaz Y. Díaz	.811	1,762	416	1,553	212	450	86	2	49	207	184	15	274	1	2	687	137	0	10	4	39	.290	.368	.442	268	56.3	.353	132	67.4
7	Rhys Hoskins R. Hoskins	.801	2,835	677	2,417	355	568	130	8	134	384	355	39	727	13	6	1,116	272	0	24	9	50	.235	.339	.462	409	69.8	.344	117	58.6
8	Josh Naylor J. Naylor	.798	2,000	484	1,797	231	488	105	1	79	342	165	18	300	33	8	832	185	0	20	24	53	.272	.336	.463	280	45.1	.340	122	50.8
9	Josh Bell J. Bell	.797	4,001	997	3,488	498	907	181	19	149	539	457	21	740	4	13	1,573	349	0	35	30	111	.260	.346	.451	564	84.5	.341	114	69.5
10	Christian Walker C. Walker	.780	3,644	917	3,224	464	800	170	8	159	492	340	48	844	26	6	1,463	337	0	32	16	75	.248	.326	.454	494	57.5	.334	110	43.7
11	Nathaniel Lowe N. Lowe	.776	3,234	785	2,854	379	759	128	12	104	391	348	18	790	15	2	1,223	244	0	14	9	65	.266	.348	.429	449	64.3	.338	118	66.4
12	Vinnie Pasquantino V. Pasquantino	.772	1,529	363	1,367	151	365	71	3	53	206	129	14	207	3	0	601	127	1	18	7	28	.267	.332	.440	205	25.6	.333	111	19.4
13	Ryan O'Hearn R. O'Hearn	.767	1,865	530	1,663	209	422	86	7	69	241	178	12	387	11	4	729	162	1	11	10	29	.254	.328	.438	245	20.3	.329	111	22.3
14	Carlos Santana C. Santana	.766	5,857	1,385	4,957	706	1,180	237	9	211	726	835	29	958	45	7	2,068	457	0	36	45	114	.238	.349	.417	782	88.9	.334	110	69.1
15	Luis Arraez L. Arraez	.752	1,682	387	1,561	212	480	80	8	17	131	93	13	84	17	9	627	105	8	7	5	29	.307	.350	.402	220	24.7	.329	115	28.8
16	Ryan Mountcastle R. Mountcastle	.747	2,372	580	2,172	276	563	115	5	88	320	156	14	582	15	5	952	208	0	30	4	56	.259	.309	.438	295	14.7	.320	107	20
17	Rowdy Tellez R. Tellez	.736	2,496	728	2,251	265	523	103	3	117	349	202	21	569	5	3	983	223	0	22	19	65	.232	.299	.437	295	-2.8	.313	97	-8.4
18	Ty France T. France	.732	2,824	684	2,518	313	658	131	2	69	307	177	111	488	3	1	1,000	202	0	18	4	80	.261	.335	.397	356	21.3	.323	110	35
19	Dominic Smith D. Smith	.729	1,874	578	1,688	204	417	107	4	55	211	147	29	409	4	4	697	166	0	10	1	36	.247	.316	.413	227	0.6	.316	100	1.6
20	Spencer Torkelson S. Torkelson	.719	1,859	454	1,640	226	367	91	3	70	218	182	24	469	4	2	674	164	0	13	6	43	.224	.308	.411	219	-1.1	.313	101	3.6