Vladimir Guerrero Jr. had the highest wRC+ by a first baseman in 2021, with 166 wRC+.

Interpreted as:

first baseman wrc+ with a minimum of 3.1 PA per team game leaders 2021

	NAME	WRC+	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	OPS	WRC	WRAA	WOBA	BRAA
1	Vladimir Guerrero Jr. V. Guerrero Jr.	166	2021	TOR	161	604	123	188	29	1	48	111	86	6	110	4	1	698	363	78	0	2	7	20	.311	.401	.601	1.002	145	60.4	.419	56.1
2	Matt Olson M. Olson	147	2021	OAK	156	565	101	153	35	0	39	111	88	9	113	4	1	673	305	74	0	11	12	17	.271	.371	.540	.911	117	35.7	.379	38.9
3	Joey Votto J. Votto	140	2021	CIN	129	448	73	119	23	1	36	99	77	4	127	1	0	533	252	60	0	4	6	7	.266	.375	.563	.938	98	33.9	.391	27.4
4	Max Muncy M. Muncy	140	2021	LAD	144	497	95	124	26	2	36	94	83	11	120	2	1	592	262	64	0	1	5	7	.249	.368	.527	.895	103	31.5	.379	29.9
5	Paul Goldschmidt P. Goldschmidt	136	2021	STL	158	603	102	177	36	2	31	99	67	4	136	12	0	679	310	69	0	5	2	13	.294	.365	.514	.879	115	33.2	.373	31.4
6	Freddie Freeman F. Freeman	136	2021	ATL	159	600	120	180	25	2	31	83	85	8	107	8	3	695	302	58	0	2	15	11	.300	.393	.503	.896	121	37.2	.379	32
7	Yuli Gurriel Y. Gurriel	133	2021	HOU	143	530	83	169	31	0	15	81	59	4	68	1	1	605	245	46	0	12	2	16	.319	.383	.462	.846	98	24.4	.363	24.3
8	Pete Alonso P. Alonso	131	2021	NYM	152	561	81	147	27	3	37	94	60	12	127	3	0	637	291	67	0	4	6	20	.262	.344	.519	.863	103	25.4	.363	25.3
9	Ty France T. France	129	2021	SEA	152	571	85	166	32	1	18	73	46	27	106	0	0	650	254	51	0	6	1	13	.291	.368	.445	.813	99	20.8	.353	23
10	Jared Walsh J. Walsh	126	2021	LAA	144	530	70	147	34	1	29	98	48	4	152	2	1	585	270	64	0	3	6	7	.277	.340	.509	.850	92	20.7	.357	18.5
11	C.J. Cron	125	2021	COL	142	470	70	132	31	1	28	92	60	13	117	1	0	547	249	60	0	4	3	11	.281	.375	.530	.905	97	31	.383	17.7
12	José Abreu J. Abreu	125	2021	CWS	152	566	86	148	30	2	30	117	61	22	143	1	0	659	272	62	0	10	3	28	.261	.351	.481	.831	101	21.5	.354	19.8
13	Josh Bell J. Bell	119	2021	WSH	144	498	75	130	24	1	27	88	65	2	101	0	0	568	237	52	0	3	2	22	.261	.347	.476	.823	86	17.6	.352	14
14	Anthony Rizzo A. Rizzo	114	2021	TOT	141	496	73	123	23	3	22	61	52	23	87	6	2	576	218	48	0	5	2	15	.248	.344	.440	.783	81	11.7	.339	10
15	Nathaniel Lowe N. Lowe	112	2021	TEX	157	557	75	147	24	3	18	72	80	2	162	8	0	642	231	45	0	3	2	13	.264	.357	.415	.771	90	12	.337	9.6
16	Miguel Sanó M. Sanó	111	2021	MIN	135	470	68	105	24	0	30	75	59	2	183	2	1	532	219	54	0	1	2	13	.223	.312	.466	.778	72	7.5	.332	7.4
17	Ryan Mountcastle R. Mountcastle	111	2021	BAL	144	534	77	136	23	1	33	89	41	4	161	4	3	586	260	57	0	7	2	12	.255	.309	.487	.796	81	10	.335	7.8
18	Yandy Díaz Y. Díaz	111	2021	TBR	134	465	62	119	20	1	13	64	69	3	85	1	1	541	180	34	0	4	4	11	.256	.353	.387	.740	70	4.6	.325	7.1
19	Jesus Aguilar J. Aguilar	108	2021	MIA	131	449	49	117	23	0	22	93	46	3	93	0	0	505	206	45	0	7	4	11	.261	.329	.459	.788	69	8.1	.334	4.9
20	Jonathan Schoop J. Schoop	105	2021	DET	156	623	85	173	30	1	22	84	37	6	133	2	0	674	271	53	0	8	0	15	.278	.320	.435	.755	87	5.3	.324	4.4
21	Trey Mancini T. Mancini	105	2021	BAL	147	556	77	142	33	1	21	71	51	8	143	0	0	616	240	55	0	1	4	19	.255	.326	.432	.758	80	5.8	.326	3.5
22	Eric Hosmer E. Hosmer	104	2021	SDP	151	509	53	137	28	0	12	65	48	5	99	5	4	565	201	40	1	2	2	13	.269	.337	.395	.732	71	2.4	.319	2.9
23	Pavin Smith P. Smith	98	2021	ARI	145	498	68	133	27	4	11	49	42	4	106	1	0	545	201	42	0	1	1	11	.267	.328	.404	.732	68	1.7	.318	-1.7
24	Carlos Santana C. Santana	81	2021	KCR	158	565	66	121	15	0	19	69	86	3	102	2	0	659	193	34	0	5	3	12	.214	.319	.342	.660	69	-11.2	.294	-15.3