Frank Thomas had the highest wRC+ in 1991, with 179 wRC+.

Interpreted as:

highest wrc+ with a minimum of 3.1 PA per team game by a player 1991

	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	Frank Thomas F. Thomas	179	1991	CWS	158	559	104	178	31	2	32	109	138	1	112	1	2	700	309	65	0	2	13	20	.318	.453	.553	1.006	146	66.8	.442	65.4
2	Danny Tartabull D. Tartabull	168	1991	KCR	132	484	78	153	35	3	31	100	65	3	121	6	3	557	287	69	0	5	6	9	.316	.397	.593	.990	111	47.9	.430	44.9
3	Barry Bonds B. Bonds	155	1991	PIT	153	510	95	149	28	5	25	116	107	4	73	43	13	634	262	58	0	13	25	8	.292	.410	.514	.924	110	38.3	.396	39.4
4	Cal Ripken Jr. C. Ripken Jr.	154	1991	BAL	162	650	99	210	46	5	34	114	53	5	46	6	1	717	368	85	0	9	15	19	.323	.374	.566	.940	129	48.2	.405	46
5	Jose Canseco J. Canseco	153	1991	OAK	154	572	115	152	32	1	44	122	78	9	152	26	6	665	318	77	0	6	7	16	.266	.359	.556	.915	116	41.1	.398	41.3
6	Rafael Palmeiro R. Palmeiro	152	1991	TEX	159	631	115	203	49	3	26	88	68	6	72	4	3	714	336	78	2	7	10	17	.322	.389	.532	.922	127	46.8	.403	43.8
7	Will Clark W. Clark	151	1991	SFG	148	565	84	170	32	7	29	116	51	2	91	4	2	622	303	68	0	4	12	5	.301	.359	.536	.895	104	33.5	.388	35.9
8	Bobby Bonilla B. Bonilla	149	1991	PIT	157	577	102	174	44	6	18	100	90	2	67	2	4	680	284	68	0	11	8	14	.302	.391	.492	.883	114	36.9	.388	38
9	Barry Larkin B. Larkin	148	1991	CIN	123	464	88	140	27	4	20	69	55	3	64	24	6	527	235	51	3	2	1	7	.302	.378	.506	.884	90	30.4	.393	28.9
10	Ken Griffey Jr. K. Griffey Jr.	147	1991	SEA	154	548	76	179	42	1	22	100	71	1	82	18	6	633	289	65	4	9	21	10	.327	.399	.527	.926	111	39.6	.399	35.5
11	Julio Franco J. Franco	146	1991	TEX	146	589	108	201	27	3	15	78	65	3	78	36	9	659	279	45	0	2	8	13	.341	.408	.474	.882	113	38.3	.393	35.6
12	Paul Molitor P. Molitor	145	1991	MIL	158	665	133	216	32	13	17	75	77	6	62	19	8	749	325	62	0	1	16	11	.325	.399	.489	.888	127	42.1	.391	39.8
13	Fred McGriff F. McGriff	144	1991	SDP	153	528	84	147	19	1	31	106	105	2	135	4	1	642	261	51	0	7	26	14	.278	.396	.494	.890	105	32.9	.385	31.8
14	Darryl Strawberry D. Strawberry	142	1991	LAD	139	505	86	134	22	4	28	99	75	3	125	10	8	588	248	54	0	5	4	8	.265	.361	.491	.852	93	26.5	.377	28.2
15	Lou Whitaker L. Whitaker	141	1991	DET	138	470	94	131	26	2	23	78	90	2	45	4	2	572	230	51	2	8	6	3	.279	.391	.489	.881	96	31.4	.389	27.8
16	Howard Johnson H. Johnson	141	1991	NYM	156	564	108	146	34	4	38	117	78	1	120	30	16	658	302	76	0	15	12	4	.259	.342	.535	.877	103	29.3	.376	30.3
17	Mickey Tettleton M. Tettleton	140	1991	DET	154	501	85	132	17	2	31	89	101	2	131	3	3	608	246	50	0	4	9	12	.263	.387	.491	.878	101	32.8	.388	28.9
18	Terry Pendleton T. Pendleton	140	1991	ATL	153	586	94	187	34	8	22	86	43	1	70	10	2	644	303	64	7	7	8	16	.319	.363	.517	.880	105	32.6	.384	29.3
19	Ivan Calderon I. Calderon	139	1991	MON	134	470	69	141	22	3	19	75	53	3	64	31	16	537	226	44	1	10	4	7	.300	.368	.481	.848	84	23.1	.374	24
20	Chris Sabo C. Sabo	139	1991	CIN	153	582	91	175	35	3	26	88	44	6	79	19	6	640	294	64	5	3	3	13	.301	.354	.505	.859	103	30.5	.380	28.6
21	Chili Davis C. Davis	139	1991	MIN	153	534	84	148	34	1	29	93	95	1	117	5	6	634	271	64	0	4	13	9	.277	.385	.507	.892	107	35.5	.391	29.3
22	Ryne Sandberg R. Sandberg	139	1991	CHC	158	585	104	170	32	2	26	100	87	2	89	22	8	684	284	60	1	9	4	9	.291	.379	.485	.865	112	34.4	.383	30.2
23	Jeff Bagwell J. Bagwell	138	1991	HOU	156	554	79	163	26	4	15	82	75	13	116	7	4	650	242	45	1	7	5	12	.294	.387	.437	.824	100	26.2	.370	28.1
24	Edgar Martinez E. Martinez	137	1991	SEA	150	544	98	167	35	1	14	52	84	8	72	0	3	642	246	50	2	4	9	19	.307	.405	.452	.857	105	32.5	.384	28.4
25	Rickey Henderson R. Henderson	137	1991	OAK	134	470	105	126	17	1	18	57	98	7	73	58	18	578	199	36	0	3	7	7	.268	.400	.423	.823	90	24.8	.374	25