Tim Duncan had the highest plus/minus in 1998-99, at +371.

Interpreted as:

best plus/minus by a player 1999

	NAME	+/-	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF
1	Tim Duncan T. Duncan	+371	1998-99	SAS	50	39.3	21.7	11.4	2.4	0.9	2.5	8.4	16.9	49.5	0.0	0.1	14.3	4.9	7.2	69.0	54.1	3.2	8.2	2.9	1,963	1,084	571	121	45	126	146	147
2	Karl Malone K. Malone	+355	1998-99	UTA	49	37.4	23.8	9.4	4.1	1.3	0.6	8.0	16.3	49.3	0.0	0.0	0.0	7.7	9.8	78.8	57.7	2.2	7.3	3.3	1,832	1,164	463	201	62	28	162	134
3	Alonzo Mourning A. Mourning	+340	1998-99	MIA	46	38.1	20.1	11.0	1.6	0.7	3.9	7.0	13.8	51.1	0.0	0.0	0.0	6.0	9.2	65.2	56.3	3.6	7.4	3.0	1,753	924	507	74	34	180	139	161
4	Jeff Hornacek J. Hornacek	+334	1998-99	UTA	48	29.9	12.2	3.3	4.0	1.1	0.3	4.5	9.4	47.7	0.7	1.7	42.0	2.6	2.9	89.3	57.5	0.7	2.6	1.7	1,435	587	160	192	52	14	82	95
5	David Robinson D. Robinson	+331	1998-99	SAS	49	31.7	15.8	10.0	2.1	1.4	2.4	5.5	10.8	50.9	0.0	0.0	0.0	4.9	7.4	65.8	56.4	3.0	7.0	2.2	1,554	775	492	103	69	119	108	143
6	Greg Ostertag G. Ostertag	+318	1998-99	UTA	48	27.9	5.7	7.3	0.5	0.3	2.7	2.1	4.3	47.6	0.0	0.0		1.6	2.5	62.0	52.3	2.2	5.1	0.9	1,340	273	348	23	12	131	45	140
7	Bryon Russell B. Russell	+312	1998-99	UTA	50	35.4	12.4	5.3	1.5	1.5	0.3	4.3	9.4	46.4	1.0	2.9	35.4	2.7	3.4	79.5	57.2	1.3	4.0	1.5	1,770	622	266	74	76	15	76	154
8	John Stockton J. Stockton	+304	1998-99	UTA	50	28.2	11.1	2.9	7.5	1.6	0.3	4.0	8.2	48.8	0.3	1.0	32.0	2.7	3.4	81.1	57.1	0.6	2.3	2.2	1,410	553	146	374	81	13	110	107
9	Rasheed Wallace R. Wallace	+303	1998-99	POR	49	28.9	12.8	4.9	1.2	1.0	1.1	4.9	9.7	50.8	0.3	0.6	41.9	2.7	3.7	73.2	56.6	1.2	3.8	1.6	1,414	628	241	60	48	54	80	175
10	Avery Johnson A. Johnson	+299	1998-99	SAS	50	33.4	9.7	2.4	7.4	1.0	0.2	4.4	9.2	47.3	0.0	0.2	8.3	1.0	1.8	56.8	48.7	0.4	1.9	2.2	1,672	487	118	369	51	11	112	101
11	Brian Grant B. Grant	+260	1998-99	POR	48	31.8	11.5	9.8	1.4	0.4	0.7	3.8	8.0	47.9	0.0	0.0		3.8	4.7	81.4	57.1	3.6	6.2	2.0	1,525	550	470	67	21	34	96	136
12	Mario Elie M. Elie	+257	1998-99	SAS	47	27.5	9.7	2.9	1.9	1.0	0.3	3.3	7.0	47.1	0.9	2.3	37.4	2.2	2.5	86.6	59.3	0.8	2.1	1.3	1,291	455	137	89	46	12	61	91
13	Tim Hardaway T. Hardaway	+235	1998-99	MIA	48	36.9	17.4	3.2	7.3	1.2	0.1	6.3	15.7	40.0	2.3	6.5	36.0	2.5	3.1	81.2	51.1	0.3	2.9	2.7	1,772	835	152	352	57	6	131	102
14	Steve Smith S. Smith	+234	1998-99	ATL	36	36.5	18.7	4.2	3.3	1.0	0.3	6.0	15.0	40.2	1.3	3.9	33.8	5.3	6.3	84.9	52.6	1.4	2.8	2.8	1,314	672	151	118	36	11	99	100
15	Walt Williams W. Williams	+231	1998-99	POR	48	21.8	9.3	3.0	1.7	0.8	0.6	3.1	7.2	42.4	1.3	3.0	43.8	1.9	2.2	83.2	56.6	0.8	2.2	1.3	1,044	446	143	80	37	28	63	101
16	Jim Jackson J. Jackson	+230	1998-99	POR	49	24.0	8.4	3.2	2.6	0.9	0.1	3.1	7.6	41.1	0.5	1.8	27.8	1.7	2.1	84.2	49.9	0.7	2.5	1.7	1,175	414	159	128	43	6	82	80
17	Dan Majerle D. Majerle	+229	1998-99	MIA	48	33.8	7.0	4.3	3.1	0.8	0.1	2.5	6.2	39.6	1.4	4.2	33.5	0.7	1.0	71.7	52.9	0.4	3.9	1.1	1,624	337	208	150	38	7	55	100
18	Dikembe Mutombo D. Mutombo	+225	1998-99	ATL	50	36.6	10.8	12.2	1.1	0.3	2.9	3.5	6.8	51.2	0.0	0.0		3.9	5.7	68.4	58.4	3.8	8.4	1.9	1,829	541	610	57	16	147	94	145
19	Shaquille O'Neal S. O'Neal	+225	1998-99	LAL	49	34.8	26.3	10.7	2.3	0.7	1.7	10.4	18.1	57.6	0.0	0.0	0.0	5.5	10.2	54.0	58.4	3.8	6.9	2.5	1,705	1,289	525	114	36	82	122	155
20	Mookie Blaylock M. Blaylock	+220	1998-99	ATL	48	36.7	13.3	4.7	5.8	2.1	0.2	5.1	13.6	37.9	1.6	5.2	30.7	1.4	1.9	75.8	46.3	0.9	3.7	2.4	1,763	640	224	278	99	9	115	61
21	Derek Fisher D. Fisher	+215	1998-99	LAL	50	22.6	5.9	1.8	3.9	1.2	0.0	2.0	5.3	37.6	0.8	1.9	39.2	1.2	1.6	75.9	49.7	0.4	1.4	1.5	1,131	296	91	197	61	1	77	95
22	Jason Kidd J. Kidd	+214	1998-99	PHX	50	41.2	16.9	6.8	10.8	2.3	0.4	6.2	14.0	44.4	0.9	2.5	36.6	3.6	4.8	75.7	52.7	1.7	5.0	3.0	2,060	846	339	539	114	19	150	108
23	Grant Long G. Long	+205	1998-99	ATL	50	27.6	9.8	5.9	1.1	1.1	0.3	3.0	7.2	42.1	0.1	0.4	16.7	3.7	4.7	78.3	52.9	2.0	3.9	1.5	1,380	489	296	53	57	16	74	143
24	P.J. Brown	+202	1998-99	MIA	50	32.2	11.4	6.9	1.3	0.9	1.0	4.6	9.5	48.0	0.0	0.0		2.3	2.9	77.4	52.7	2.3	4.6	1.4	1,611	571	346	66	46	48	69	166
25	Eddie Jones E. Jones	+198	1998-99	TOT	50	37.6	15.6	3.9	3.7	2.5	1.2	5.2	11.9	43.7	1.0	2.8	33.8	4.2	5.4	78.2	54.6	1.0	2.9	1.9	1,881	780	194	186	125	58	93	128