Cecil Fielder had the best slugging percentage in 1990, with a slugging percentage of .592.

Interpreted as:

highest slugging percentage with a minimum of 3.1 PA per team game by a player in 1990

	NAME	SLG	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Cecil Fielder C. Fielder	.592	1990	DET	159	573	104	159	25	1	51	132	90	5	182	0	1	673	339	77	0	5	11	15	.277	.377	.969	127	51.8	.419	165	50.2
2	Rickey Henderson R. Henderson	.577	1990	OAK	136	489	119	159	33	3	28	61	97	4	60	65	10	594	282	64	2	2	2	13	.325	.439	1.016	125	58.9	.447	190	60.9
3	Barry Bonds B. Bonds	.565	1990	PIT	151	519	104	156	32	3	33	114	93	3	83	52	13	621	293	68	0	6	15	8	.301	.406	.970	118	48.3	.420	166	47.4
4	Ryne Sandberg R. Sandberg	.559	1990	CHC	155	615	116	188	30	3	40	100	50	1	84	25	7	675	344	73	0	9	8	8	.306	.354	.913	116	40.3	.396	142	33.3
5	Kevin Mitchell K. Mitchell	.544	1990	SFG	140	524	90	152	24	2	35	93	58	2	87	4	7	589	285	61	0	5	9	8	.290	.360	.904	100	33.8	.393	148	33
6	Jose Canseco J. Canseco	.543	1990	OAK	131	481	83	132	14	2	37	101	72	5	158	19	10	563	261	53	0	5	8	9	.274	.371	.914	98	34.6	.399	157	36.5
7	Ron Gant R. Gant	.539	1990	ATL	152	575	107	174	34	3	32	84	50	1	86	33	16	631	310	69	1	4	0	8	.303	.357	.896	108	37.1	.395	142	30.6
8	David Justice D. Justice	.535	1990	ATL	127	439	76	124	23	2	28	78	64	0	92	11	6	504	235	53	0	1	4	2	.282	.373	.908	88	31.5	.400	145	26.3
9	Andre Dawson A. Dawson	.535	1990	CHC	147	529	72	164	28	5	27	100	42	2	65	16	2	581	283	60	0	8	21	12	.310	.358	.893	93	27.6	.380	132	21.7
10	Kal Daniels K. Daniels	.531	1990	LAD	130	450	81	133	23	1	27	94	68	3	104	4	3	526	239	51	2	3	1	9	.296	.389	.920	95	36.1	.408	157	34.8
11	Fred McGriff F. McGriff	.530	1990	TOR	153	557	91	167	21	1	35	88	94	2	108	5	3	658	295	57	1	4	12	7	.300	.400	.930	119	45.2	.408	157	42.9
12	Eddie Murray E. Murray	.520	1990	LAD	155	558	96	184	22	3	26	95	82	1	64	8	5	645	290	51	0	4	21	19	.330	.414	.934	116	43.7	.407	156	42.1
13	Darryl Strawberry D. Strawberry	.518	1990	NYM	152	542	92	150	18	1	37	108	70	4	110	15	8	621	281	56	0	5	15	5	.277	.361	.879	100	30.1	.382	141	30
14	Bobby Bonilla B. Bonilla	.518	1990	PIT	160	625	112	175	39	7	32	120	45	1	103	4	3	686	324	78	0	15	9	11	.280	.322	.841	99	22.7	.362	127	21.8
15	George Brett G. Brett	.515	1990	KCR	142	544	82	179	45	7	14	87	56	0	63	9	2	607	280	66	0	7	14	18	.329	.387	.902	102	34.1	.392	147	32.7
16	Kelly Gruber K. Gruber	.512	1990	TOR	150	592	92	162	36	6	31	118	48	8	94	14	2	662	303	73	1	13	2	14	.274	.330	.842	99	24.8	.367	130	22.6
17	Mark McGwire M. McGwire	.489	1990	OAK	156	523	87	123	16	0	39	108	110	7	116	2	1	650	256	55	1	9	9	13	.235	.370	.859	103	30.1	.379	143	32.2
18	Matt Williams M. Williams	.488	1990	SFG	159	617	87	171	27	2	33	122	33	7	138	7	4	664	301	62	2	5	9	13	.277	.319	.807	91	17.1	.352	121	16.3
19	Ellis Burks E. Burks	.486	1990	BOS	152	588	89	174	33	8	21	89	48	1	82	9	11	641	286	62	2	2	4	18	.296	.349	.835	97	24.9	.369	127	19.9
20	Eric Davis E. Davis	.486	1990	CIN	127	453	84	118	26	2	24	86	60	2	100	21	3	518	220	52	0	3	6	7	.260	.347	.833	77	19.3	.367	125	15.1
21	Ken Griffey Jr. K. Griffey Jr.	.481	1990	SEA	155	597	91	179	28	7	22	80	63	2	81	16	11	666	287	57	0	4	12	12	.300	.366	.847	102	27.3	.372	132	24.3
22	Chris Sabo C. Sabo	.476	1990	CIN	148	567	95	153	38	2	25	71	61	4	58	25	10	636	270	65	1	3	7	8	.270	.343	.819	92	21	.362	121	15.9
23	Kent Hrbek K. Hrbek	.474	1990	MIN	143	492	61	141	26	0	22	79	69	7	45	5	2	578	233	48	2	8	8	17	.287	.377	.850	90	25.5	.376	133	21.6
24	Tim Wallach T. Wallach	.471	1990	MON	161	626	69	185	37	5	21	98	42	3	80	6	9	678	295	63	0	7	11	12	.296	.339	.810	94	18.4	.354	119	15.2
25	Rafael Palmeiro R. Palmeiro	.468	1990	TEX	154	598	72	191	35	6	14	89	40	3	59	3	3	651	280	55	2	8	6	24	.319	.361	.829	96	23.5	.365	130	22