which player has the highest winning percentage in nba history 15 games or seasons

Barry Nelson had the highest winning percentage when playing 15+ games, winning 96.4 percent of the time.

Interpreted as:

Which player has the highest winning percentage in NBA history 15 or more games or seasons?

	NAME	W%	GP	SEAS	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	Barry Nelson B. Nelson	.964	28	1	3.6	1.3	0.7	0.3			0.5	1.3	41.7				0.2	0.4	50.0	43.3				102	35	20	7				21
2	Alex Ducas A. Ducas	.952	21	1	6.0	1.7	1.2	0.2	0.2	0.0	0.6	1.4	40.0	0.5	1.0	47.6	0.1	0.1	100.0	58.3	0.4	0.8	0.2	125	36	26	5	5	0	4	12	-22
3	Steve Bucknall S. Bucknall	.944	18	1	4.2	1.3	0.4	0.6	0.1	0.1	0.5	1.8	27.3	0.0	0.1	0.0	0.3	0.3	83.3	32.3	0.3	0.1	0.6	75	23	7	10	2	1	11	10
4	Adam Flagler A. Flagler	.923	39	2	5.6	1.7	0.7	0.4	0.2	0.1	0.7	2.6	25.2	0.4	2.0	19.2	0.0	0.1	50.0	32.7	0.2	0.5	0.1	217	68	27	16	8	3	4	15	+7
5	Irving Thomas I. Thomas	.923	26	1	4.2	1.8	1.2	0.4	0.2	0.0	0.7	1.9	34.0	0.0	0.0		0.5	0.8	57.1	38.8	0.5	0.7	0.5	108	46	31	10	4	1	13	24
6	Branden Carlson B. Carlson	.906	32	1	7.7	3.8	1.7	0.4	0.2	0.7	1.3	3.0	44.3	0.7	2.1	33.3	0.4	0.6	77.8	58.1	0.5	1.2	0.2	246	122	54	14	5	21	7	22	+41
7	Malcolm Miller M. Miller	.906	53	3	6.7	2.0	0.7	0.3	0.1	0.1	0.7	1.6	43.4	0.5	1.2	40.6	0.2	0.3	62.5	60.0	0.1	0.5	0.2	355	108	36	15	7	5	10	33	+59
8	Ron Watts R. Watts	.893	28	2	3.3	1.4	1.4	0.1			0.4	1.6	26.1				0.6	0.8	69.6	35.6				92	40	39	2				17
9	JD Davison	.889	36	3	5.5	1.9	0.9	0.9	0.2	0.1	0.7	1.8	38.5	0.3	0.9	28.1	0.3	0.4	69.2	48.1	0.2	0.7	0.5	198	68	32	34	8	4	19	11	-11
10	Malik Fitts M. Fitts	.889	18	2	4.1	1.3	1.1	0.3	0.0	0.0	0.5	1.2	40.9	0.3	0.7	50.0	0.0	0.0		54.5	0.1	1.0	0.1	74	24	20	5	0	0	2	7	-25
11	Eric Anderson E. Anderson	.889	27	2	3.1	1.6	1.1	0.2	0.1	0.1	0.4	1.3	34.3	0.1	0.1	100.0	0.6	1.0	59.3	44.8	0.4	0.7	0.3	83	42	31	5	3	2	7	23
12	Tom Piotrowski T. Piotrowski	.889	18	1	4.3	1.7	0.9	0.3	0.1	0.2	0.7	1.4	46.2	0.0	0.0		0.3	0.3	100.0	52.4	0.3	0.6	0.3	78	30	16	5	1	3	6	22
13	Melvin Sanders M. Sanders	.875	16	1	7.1	2.6	1.4	0.2	0.3	0.0	1.0	2.1	48.5	0.1	0.2	66.7	0.4	0.6	70.0	54.8	0.3	1.2	0.5	113	41	23	3	5	0	8	20	-19
14	Baylor Scheierman B. Scheierman	.871	31	1	12.4	3.6	2.1	1.1	0.5	0.1	1.3	3.5	35.5	0.8	2.6	31.7	0.3	0.4	75.0	49.0	0.6	1.5	0.4	384	113	65	33	17	2	12	22	+29
15	Ajay Mitchell A. Mitchell	.861	36	1	16.6	6.5	1.9	1.8	0.7	0.1	2.5	5.1	49.5	0.6	1.7	38.3	0.8	1.0	82.9	58.7	0.5	1.4	0.8	597	234	68	64	25	4	29	68	+127
16	Ken Keller K. Keller	.857	28	1		0.8		0.0			0.4	1.1	33.3				0.1	0.2	40.0	34.2					22		1				15
17	Bill Zopf B. Zopf	.849	53	1	7.5	2.2	0.9	1.4			0.9	2.5	36.3				0.4	0.7	55.6	39.1				398	118	46	73				34
18	Dan Swartz D. Swartz	.846	39	1	8.6	4.5	2.3	0.5			1.5	3.8	38.0				1.6	1.8	84.7	48.2				335	175	88	21				92
19	Ndudi Ebi N. Ebi	.842	19	2	4.5	2.1	1.0	0.2	0.1	0.3	0.9	1.8	48.6	0.0	0.1	0.0	0.3	0.7	46.2	49.1	0.4	0.6	0.3	86	40	19	4	1	5	6	13	+5
20	Ron Filipek R. Filipek	.842	19	1	3.8	2.3	1.3	0.4			0.9	2.5	38.3				0.4	0.7	50.0	40.4				73	43	25	7				12
21	Rick Weitzman R. Weitzman	.840	25	1	3.0	1.3	0.4	0.3			0.5	1.8	26.1				0.4	0.5	69.2	31.9				75	33	10	8				8
22	Vincent Poirier V. Poirier	.839	31	2	5.5	1.6	1.8	0.3	0.1	0.4	0.6	1.5	41.7	0.0	0.1	33.3	0.3	0.4	61.5	45.6	0.6	1.2	0.4	169	49	57	10	2	12	12	33	-36
23	Dillon Jones D. Jones	.833	54	1	10.2	2.5	2.2	1.1	0.3	0.1	0.9	2.5	38.3	0.3	1.2	25.4	0.3	0.5	60.7	46.4	0.6	1.7	0.5	551	135	121	58	16	4	28	54	+75
24	Nicolas Laprovittola N. Laprovittola	.833	18	1	9.7	3.3	0.6	1.6	0.2	0.1	1.1	2.6	42.6	0.6	1.5	37.0	0.5	0.5	100.0	57.9	0.1	0.5	1.1	174	59	10	28	4	1	19	19	-44
25	Travis Grant T. Grant	.833	36	2	4.4	3.6	1.5	0.2	0.0	0.0	1.4	3.3	43.3				0.7	0.8	82.8	48.2	0.0	0.3		159	128	53	7	0	0		20