Mark McGwire had the highest wRC+ in 1998, with 205 wRC+.

Interpreted as:

highest wrc+ with a minimum of 3.1 PA per team game by a player 1998

	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	Mark McGwire M. McGwire	205	1998	STL	155	509	130	152	21	0	70	147	162	6	155	1	0	681	383	91	0	4	28	8	.299	.470	.752	1.222	176	91.7	.492	90.7
2	Barry Bonds B. Bonds	170	1998	SFG	156	552	120	167	44	7	37	122	130	8	92	28	12	697	336	88	1	6	29	15	.303	.438	.609	1.047	146	59.8	.434	61.3
3	John Olerud J. Olerud	167	1998	NYM	160	557	91	197	36	4	22	93	96	4	73	2	2	665	307	62	1	7	11	15	.354	.447	.551	.998	137	54.6	.430	56.1
4	Albert Belle A. Belle	165	1998	CWS	163	609	113	200	48	2	49	152	81	1	84	6	4	706	399	99	0	15	10	17	.328	.399	.655	1.055	150	62.1	.437	59.7
5	Jeff Bagwell J. Bagwell	163	1998	HOU	147	540	124	164	33	1	34	111	109	7	90	19	7	661	301	68	0	5	8	14	.304	.424	.557	.981	131	49.3	.421	52.4
6	Sammy Sosa S. Sosa	159	1998	CHC	159	643	134	198	20	0	66	158	73	1	171	18	9	722	416	86	0	5	14	20	.308	.377	.647	1.024	146	56.6	.425	53.7
7	Moises Alou M. Alou	159	1998	HOU	159	584	104	182	34	5	38	124	84	5	87	11	3	679	340	77	0	6	11	14	.312	.399	.582	.981	131	47.2	.415	50.4
8	Larry Walker L. Walker	158	1998	COL	130	454	113	165	46	3	23	67	64	4	61	14	4	524	286	72	0	2	2	11	.363	.445	.630	1.075	121	55.7	.459	38.7
9	Bernie Williams B. Williams	158	1998	NYY	128	499	101	169	30	5	26	97	74	1	81	15	9	578	287	61	0	4	9	19	.339	.422	.575	.997	117	45.3	.425	43.3
10	Edgar Martinez E. Martinez	157	1998	SEA	154	556	86	179	46	1	29	102	106	3	96	1	1	672	314	76	0	7	4	13	.322	.429	.565	.993	137	53.6	.427	49.6
11	Andres Galarraga A. Galarraga	156	1998	ATL	153	555	103	169	27	1	44	121	63	25	146	7	6	648	330	72	0	5	11	8	.305	.397	.595	.991	127	47.2	.418	46.2
12	Gary Sheffield G. Sheffield	154	1998	TOT	130	437	73	132	27	2	22	85	95	8	46	22	7	549	229	51	0	9	12	7	.302	.428	.524	.952	103	35.2	.408	37.9
13	Jim Thome J. Thome	152	1998	CLE	123	440	89	129	34	2	30	85	89	4	141	1	0	537	257	66	0	4	8	7	.293	.413	.584	.997	107	40.8	.422	36.3
14	Eric Davis E. Davis	151	1998	BAL	131	452	81	148	29	1	28	89	44	5	108	7	6	508	263	58	0	7	0	13	.327	.388	.582	.970	98	34.9	.414	33.8
15	Mo Vaughn M. Vaughn	151	1998	BOS	154	609	107	205	31	2	40	115	61	8	144	0	0	681	360	73	0	3	13	13	.337	.402	.591	.993	135	50.9	.421	45.2
16	Mike Piazza M. Piazza	151	1998	TOT	151	561	88	184	38	1	32	111	58	2	80	1	0	626	320	71	0	5	14	15	.328	.390	.570	.960	116	38.6	.405	40.6
17	Greg Vaughn G. Vaughn	151	1998	SDP	158	573	112	156	28	4	50	119	79	5	121	11	4	661	342	82	0	4	6	7	.272	.363	.597	.960	121	39.6	.403	42.7
18	Chipper Jones C. Jones	151	1998	ATL	160	601	123	188	29	5	34	107	96	1	93	16	6	707	329	68	1	8	1	17	.313	.404	.547	.951	134	46.3	.410	45.2
19	Craig Biggio C. Biggio	146	1998	HOU	160	646	123	210	51	2	20	88	64	23	113	50	8	738	325	73	1	4	6	10	.325	.403	.503	.906	131	39.4	.395	42.8
20	Carlos Delgado C. Delgado	146	1998	TOR	142	530	94	155	43	1	38	115	73	11	139	3	0	620	314	82	0	6	13	8	.292	.385	.592	.978	117	40.3	.409	36.7
21	Juan Gonzalez J. Gonzalez	145	1998	TEX	154	606	110	193	50	2	45	157	46	6	126	2	1	669	382	97	0	11	9	20	.318	.366	.630	.997	129	46.3	.414	39.1
22	Vladimir Guerrero V. Guerrero	145	1998	MON	159	623	108	202	37	7	38	109	42	7	95	11	9	677	367	82	0	5	13	15	.324	.371	.589	.960	124	40.4	.403	38.6
23	Ken Griffey Jr. K. Griffey Jr.	145	1998	SEA	161	633	120	180	33	3	56	146	76	7	121	20	5	720	387	92	0	4	11	14	.284	.365	.611	.977	135	46	.408	41.8
24	Ray Lankford R. Lankford	144	1998	STL	154	533	94	156	37	1	31	105	86	3	151	26	5	626	288	69	0	4	5	4	.293	.391	.540	.932	113	35.9	.400	35
25	Manny Ramirez M. Ramirez	144	1998	CLE	150	571	108	168	35	2	45	145	76	6	121	5	3	663	342	82	0	10	6	18	.294	.377	.599	.976	125	43.3	.409	37.8