Boog Powell had the highest wRC+ in 1964, with 176 wRC+.

Interpreted as:

highest wrc+ with a minimum of 3.1 PA per team game by a player 1964

	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	Boog Powell B. Powell	176	1964	BAL	134	424	74	123	17	0	39	99	76	2	91	0	0	506	257	56	2	2	6	9	.290	.399	.606	1.005	102	48.5	.433	45
2	Mickey Mantle M. Mantle	176	1964	NYY	143	465	92	141	25	2	35	111	99	0	102	6	3	567	275	62	0	3	18	9	.303	.423	.591	1.015	115	54.2	.433	50.3
3	Willie Mays W. Mays	173	1964	SFG	157	578	121	171	21	9	47	111	82	1	72	19	5	665	351	77	1	3	13	11	.296	.383	.607	.990	130	58.9	.424	54.8
4	Rico Carty R. Carty	166	1964	MIL	133	455	72	150	28	4	22	88	43	3	78	1	2	505	252	54	0	4	4	16	.330	.388	.554	.942	93	39.3	.410	37.3
5	Ron Santo R. Santo	164	1964	CHC	161	592	94	185	33	13	30	114	86	2	96	3	4	686	334	76	0	6	5	11	.313	.398	.564	.962	130	57	.417	49.2
6	Dick Allen D. Allen	162	1964	PHI	162	632	125	201	38	13	29	91	67	0	138	3	4	708	352	80	6	3	13	8	.318	.382	.557	.939	128	52.3	.405	49.5
7	Bob Allison B. Allison	161	1964	MIN	149	492	90	141	27	4	32	86	92	7	99	10	1	594	272	63	0	3	4	7	.287	.404	.553	.957	113	49.6	.417	42.4
8	Hank Aaron H. Aaron	157	1964	MIL	145	570	103	187	30	2	24	95	62	0	46	22	4	634	293	56	0	2	9	22	.328	.393	.514	.907	111	42.9	.396	40.4
9	Frank Robinson F. Robinson	156	1964	CIN	156	568	103	174	38	6	29	96	79	9	67	23	5	662	311	73	0	6	20	13	.306	.396	.548	.943	119	48.6	.404	41.7
10	Harmon Killebrew H. Killebrew	152	1964	MIN	158	577	95	156	11	1	49	111	93	8	135	0	0	682	316	61	0	4	5	15	.270	.377	.548	.924	123	49.9	.404	41.6
11	Orlando Cepeda O. Cepeda	150	1964	SFG	142	529	75	161	27	2	31	97	43	8	83	9	4	587	285	60	0	7	7	13	.304	.361	.539	.900	100	36.9	.390	33.3
12	Tony Oliva T. Oliva	148	1964	MIN	161	672	109	217	43	9	32	94	34	6	68	12	6	718	374	84	3	3	8	9	.323	.359	.557	.916	126	49.1	.397	40.3
13	Billy Williams B. Williams	147	1964	CHC	162	645	100	201	39	2	33	98	59	2	84	10	7	709	343	74	0	3	8	11	.312	.370	.532	.901	122	46	.393	37.9
14	Joe Torre J. Torre	145	1964	MIL	154	601	87	193	36	5	20	109	36	7	67	2	4	646	299	61	0	2	4	26	.321	.365	.498	.863	104	35.2	.379	32.7
15	Brooks Robinson B. Robinson	144	1964	BAL	163	612	82	194	35	3	28	118	51	4	64	1	0	685	319	66	8	10	10	17	.317	.368	.521	.889	113	40.2	.384	35.5
16	Roberto Clemente R. Clemente	142	1964	PIT	155	622	95	211	40	7	12	87	51	2	87	5	2	683	301	59	3	5	16	9	.339	.388	.484	.872	110	36.6	.378	32.5
17	Rocky Colavito R. Colavito	138	1964	KCA	160	588	89	161	31	2	34	102	83	5	56	3	1	681	298	67	1	4	4	16	.274	.366	.507	.873	112	39.3	.383	30.3
18	Denis Menke D. Menke	137	1964	MIL	151	505	79	143	29	5	20	65	68	4	77	4	2	588	242	54	4	7	13	11	.283	.368	.479	.847	89	26.7	.367	24.3
19	Jim Fregosi J. Fregosi	136	1964	LAA	147	505	86	140	22	9	18	72	72	4	87	8	3	591	234	49	6	4	2	13	.277	.369	.463	.833	91	27.6	.368	24.8
20	Jim Ray Hart J. Ray Hart	135	1964	SFG	153	566	71	162	15	6	31	81	47	4	94	5	2	625	282	52	2	6	4	13	.286	.342	.498	.840	95	28.5	.367	24.7
21	Roger Maris R. Maris	134	1964	NYY	141	513	86	144	12	2	26	71	62	6	78	3	0	584	238	40	1	2	1	7	.281	.364	.464	.828	90	27.3	.369	23.3
22	Al Kaline A. Kaline	133	1964	DET	146	525	77	154	31	5	17	68	75	3	51	4	1	608	246	53	2	3	6	12	.293	.383	.469	.851	96	31.5	.375	23.5
23	Joe Christopher J. Christopher	133	1964	NYM	154	543	78	163	26	8	16	76	48	6	92	6	5	604	253	50	1	6	5	18	.300	.360	.466	.826	90	25.2	.362	22.2
24	Ken Boyer K. Boyer	130	1964	STL	162	628	100	185	30	10	24	119	70	2	85	3	5	704	307	64	0	4	12	22	.295	.365	.489	.854	109	34.3	.371	24
25	Jim Gentile J. Gentile	130	1964	KCA	136	439	71	110	10	0	28	71	84	4	122	0	0	533	204	38	1	5	6	9	.251	.372	.465	.837	82	25.4	.370	18.4