Dave Parker had the highest wRC+ in 1978, with 167 wRC+.

Interpreted as:

best wrc+ with a minimum of 3.1 PA per team game by a player in 1978

	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	Dave Parker D. Parker	167	1978	PIT	148	581	102	194	32	12	30	117	57	2	92	20	7	642	340	74	0	2	23	8	.334	.394	.585	.979	121	51.3	.424	47.9
2	Jim Rice J. Rice	162	1978	BOS	163	677	121	213	25	15	46	139	58	5	126	7	5	746	406	86	1	5	7	15	.315	.370	.600	.970	141	60.3	.425	52
3	Reggie Smith R. Smith	161	1978	LAD	128	447	82	132	27	2	29	93	70	1	90	12	5	531	250	58	0	13	8	5	.295	.382	.559	.942	94	36.6	.409	36
4	Jeff Burroughs J. Burroughs	159	1978	ATL	153	488	72	147	30	6	23	77	117	0	92	1	2	611	258	59	0	6	12	16	.301	.432	.529	.961	115	48.9	.424	40.4
5	Larry Hisle L. Hisle	155	1978	MIL	142	520	96	151	24	0	34	115	67	5	90	10	6	600	277	58	3	5	3	14	.290	.374	.533	.906	104	38.5	.403	37.1
6	Ken Singleton K. Singleton	154	1978	BAL	149	502	67	147	21	2	20	81	98	2	94	0	0	608	232	43	4	2	5	14	.293	.409	.462	.871	101	35.4	.395	36.6
7	Greg Luzinski G. Luzinski	152	1978	PHI	155	540	85	143	32	2	35	101	100	11	135	8	7	655	284	69	0	4	15	10	.265	.388	.526	.914	113	41.6	.402	38.1
8	Andre Thornton A. Thornton	150	1978	CLE	145	508	97	133	22	4	33	105	93	6	72	4	7	617	262	59	2	8	4	17	.262	.377	.516	.893	103	36.6	.396	34.5
9	Amos Otis A. Otis	150	1978	KCR	141	486	74	145	30	7	22	96	66	4	54	32	8	567	255	59	1	10	7	10	.298	.380	.525	.905	95	34	.397	31.4
10	Jack Clark J. Clark	149	1978	SFG	156	592	90	181	46	8	25	98	50	3	72	15	11	657	318	79	3	9	8	15	.306	.358	.537	.895	108	36.7	.392	36
11	Douglas DeCinces D. DeCinces	149	1978	BAL	142	511	72	146	37	1	28	80	46	2	81	7	7	561	269	66	0	2	2	12	.286	.346	.526	.872	90	29.6	.388	30.7
12	George Foster G. Foster	148	1978	CIN	158	604	97	170	26	7	40	120	70	7	138	4	4	687	330	73	0	6	16	18	.281	.360	.546	.906	114	39.8	.394	36.8
13	Leon Roberts L. Roberts	144	1978	SEA	134	472	78	142	21	7	22	92	41	8	52	6	3	528	243	50	3	4	2	7	.301	.364	.515	.879	86	29.2	.391	26.2
14	Dave Winfield D. Winfield	144	1978	SDP	158	587	88	181	30	5	24	97	55	2	81	21	9	649	293	59	0	5	20	13	.308	.367	.499	.866	100	29.3	.378	32.1
15	Ted Simmons T. Simmons	143	1978	STL	152	516	71	148	40	5	22	80	77	3	39	1	1	604	264	67	0	8	17	19	.287	.377	.512	.889	97	31.6	.387	29
16	Gorman Thomas G. Thomas	143	1978	MIL	137	452	70	111	24	1	32	86	73	2	133	3	4	536	233	57	6	3	4	6	.246	.351	.515	.866	85	27	.385	25.8
17	Jose Cruz J. Cruz	142	1978	HOU	153	565	79	178	34	9	10	83	57	0	57	37	9	627	260	53	2	3	9	9	.315	.376	.460	.836	94	25.8	.372	29.3
18	Ben Oglivie B. Oglivie	142	1978	MIL	128	469	71	142	29	4	18	72	52	0	69	11	7	527	233	51	3	3	10	10	.303	.370	.497	.867	83	25.7	.383	24.5
19	Bill Madlock B. Madlock	141	1978	SFG	122	447	76	138	26	3	15	44	48	3	39	16	5	509	215	44	9	2	11	6	.309	.378	.481	.859	79	24	.380	23.5
20	Reggie Jackson R. Jackson	138	1978	NYY	139	511	82	140	13	5	27	97	58	9	133	14	11	581	244	45	0	3	2	8	.274	.356	.477	.834	88	25.1	.375	25
21	Steve Garvey S. Garvey	138	1978	LAD	162	639	89	202	36	9	21	113	40	1	70	10	5	689	319	66	1	8	9	17	.316	.353	.499	.852	105	29.8	.375	29.1
22	Eddie Murray E. Murray	138	1978	BAL	161	610	85	174	32	3	27	95	70	1	97	6	5	690	293	62	1	8	7	15	.285	.356	.480	.836	103	27.9	.371	29.2
23	Gene Tenace G. Tenace	138	1978	SDP	142	401	60	90	18	4	16	61	101	11	98	6	5	515	164	38	0	2	8	5	.224	.392	.409	.801	75	19.4	.368	21.7
24	Ron Cey R. Cey	137	1978	LAD	159	555	84	150	32	0	23	84	96	7	96	2	5	667	251	55	2	7	9	13	.270	.380	.452	.833	101	28.3	.374	27.7
25	Fred Lynn F. Lynn	136	1978	BOS	150	541	75	161	33	3	22	82	75	1	50	3	6	627	266	58	4	6	11	9	.298	.380	.492	.872	100	32.2	.386	25.3