best winning percentage all-time in a season by a player

Jim Loscutoff has the highest winning percentage in a season, winning 120.0 percent of the time in 1957-58.

	NAME	W%	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	Jim Loscutoff J. Loscutoff	1.200	1957-58	BOS	5	11.2	4.6	4.0	0.2			2.2	6.2	35.5				0.2	0.6	33.3	35.6				56	23	20	1				8
2	Kenrich Williams K. Williams	1.000	2025-26	OKC	7	16.0	6.0	2.9	2.0	0.0	0.0	2.3	4.6	50.0	1.0	2.1	46.7	0.4	0.9	50.0	60.6	0.4	2.4	0.9	112	42	20	14	0	0	6	9	+29
3	Jalen Green J. Green	1.000	2025-26	PHX	2	15.0	15.5	2.0	2.0	1.0	0.0	5.5	11.5	47.8	3.0	7.0	42.9	1.5	2.5	60.0	61.5	1.0	1.0	1.0	30	31	4	4	2	0	2	2	+37
4	Wendell Moore Jr. W. Moore Jr.	1.000	2025-26	DET	3	14.3	2.0	1.3	1.0	0.7	0.3	1.0	2.0	50.0	0.0	0.3	0.0	0.0	0.0		50.0	0.3	1.0	0.3	43	6	4	3	2	1	1	1	+32
5	Julian Strawther J. Strawther	1.000	2025-26	DEN	9	7.9	3.7	1.6	0.4	0.0	0.1	1.2	3.3	36.7	0.2	1.8	12.5	1.0	1.4	69.2	46.2	0.0	1.6	0.3	71	33	14	4	0	1	3	6	-6
6	Marcus Sasser M. Sasser	1.000	2025-26	DET	2	4.0	3.5	0.0	1.5	0.0	0.0	1.5	2.0	75.0	0.5	1.0	50.0	0.0	0.0		87.5	0.0	0.0	0.0	8	7	0	3	0	0	0	3	-16
7	Tosan Evbuomwan T. Evbuomwan	1.000	2025-26	NYK	4	1.8	0.0	0.5	0.0	0.0	0.0	0.0	0.3	0.0	0.0	0.0		0.0	0.0		0.0	0.3	0.3	0.0	7	0	2	0	0	0	0	1	-8
8	Trey Jemison III T. Jemison III	1.000	2025-26	NYK	3	3.3	0.0	1.0	0.0	0.0	0.0	0.0	0.0		0.0	0.0		0.0	0.0			0.3	0.7	0.3	10	0	3	0	0	0	1	2	-2
9	DaRon Holmes II D. Holmes II	1.000	2025-26	DEN	2	2.0	1.5	0.0	0.0	0.0	0.0	0.5	0.5	100.0	0.5	0.5	100.0	0.0	0.0		150.0	0.0	0.0	0.0	4	3	0	0	0	0	0	1	-2
10	Kevin McCullar Jr. K. McCullar Jr.	1.000	2025-26	NYK	1	1.0	3.0	1.0	0.0	0.0	0.0	1.0	1.0	100.0	1.0	1.0	100.0	0.0	0.0		150.0	0.0	1.0	0.0	1	3	1	0	0	0	0	0	+1
11	Kasparas Jakučionis K. Jakučionis	1.000	2025-26	MIA	1	1.0	0.0	0.0	0.0	1.0	0.0	0.0	2.0	0.0	0.0	0.0		0.0	0.0		0.0	0.0	0.0	0.0	1	0	0	0	1	0	0	0	-2
12	Jahmai Mashack J. Mashack	1.000	2025-26	MEM	3	3.7	2.0	0.7	0.0	0.0	0.0	0.7	2.0	33.3	0.7	1.3	50.0	0.0	0.0		50.0	0.0	0.7	0.3	11	6	2	0	0	0	1	0	-3
13	Curtis Jones C. Jones	1.000	2025-26	DEN	2	1.5	1.0	1.0	0.0	0.0	0.0	0.5	1.5	33.3	0.0	0.5	0.0	0.0	0.0		33.3	0.5	0.5	0.0	3	2	2	0	0	0	0	0	+3
14	Myron Gardner M. Gardner	1.000	2025-26	MIA	4	2.3	1.5	0.5	0.3	0.0	0.0	0.5	0.5	100.0	0.5	0.5	100.0	0.0	0.0		150.0	0.0	0.5	0.0	9	6	2	1	0	0	0	4	-5
15	Chris Youngblood C. Youngblood	1.000	2025-26	OKC	19	5.6	1.8	1.0	0.3	0.1	0.0	0.5	1.6	33.3	0.4	1.3	32.0	0.4	0.4	100.0	52.9	0.2	0.8	0.1	107	35	19	6	1	0	1	17	-7
16	Terence Davis T. Davis	1.000	2024-25	SAC	1	8.0	0.0	1.0	1.0	0.0	0.0	0.0	2.0	0.0	0.0	1.0	0.0	0.0	0.0		0.0	0.0	1.0	0.0	8	0	1	1	0	0	0	0	-3
17	James Wiseman J. Wiseman	1.000	2024-25	IND	1	5.0	6.0	1.0	0.0	0.0	0.0	2.0	4.0	50.0	0.0	1.0	0.0	2.0	2.0	100.0	61.5	0.0	1.0	0.0	5	6	1	0	0	0	0	0	-4
18	Daishen Nix D. Nix	1.000	2024-25	MIN	3	4.3	0.3	1.3	1.0	0.0	0.0	0.0	0.3	0.0	0.0	0.3	0.0	0.3	0.7	50.0	26.6	0.0	1.3	1.3	13	1	4	3	0	0	4	1	+9
19	Braxton Key B. Key	1.000	2024-25	GSW	3	3.7	1.0	0.7	0.0	0.7	0.0	0.0	1.3	0.0	0.0	0.3	0.0	1.0	2.0	50.0	22.6	0.3	0.3	0.3	11	3	2	0	2	0	1	0	-8
20	Yuri Collins Y. Collins	1.000	2024-25	GSW	2	8.0	1.0	1.5	2.0	1.0	0.0	0.5	1.5	33.3	0.0	0.0		0.0	0.0		33.3	1.0	0.5	0.0	16	2	3	4	2	0	0	5	-5
21	Kevin McCullar Jr. K. McCullar Jr.	1.000	2024-25	NYK	4	7.3	1.5	2.0	0.5	0.3	0.3	0.5	1.8	28.6	0.0	0.3	0.0	0.5	0.5	100.0	38.1	0.0	2.0	0.0	29	6	8	2	1	1	0	6	-2
22	Isaiah Stevens I. Stevens	1.000	2024-25	MIA	3	2.0	0.0	0.7	0.0	0.3	0.0	0.0	0.7	0.0	0.0	0.3	0.0	0.0	0.0		0.0	0.0	0.7	0.0	6	0	2	0	1	0	0	0	+4
23	Jesse Edwards J. Edwards	1.000	2024-25	MIN	2	2.5	0.0	0.0	0.5	0.0	0.0	0.0	0.0		0.0	0.0		0.0	0.0			0.0	0.0	0.0	5	0	0	1	0	0	0	2	-10
24	Malevy Leons M. Leons	1.000	2024-25	OKC	6	3.5	0.3	0.5	0.2	0.0	0.0	0.0	0.3	0.0	0.0	0.2	0.0	0.3	0.7	50.0	26.6	0.2	0.3	0.2	21	2	3	1	0	0	1	4	-18
25	Justin Jackson J. Jackson	1.000	2023-24	MIN	2	0.5	0.0	0.0	0.0	0.0	0.0	0.0	0.0		0.0	0.0		0.0	0.0			0.0	0.0	0.0	1	0	0	0	0	0	0	0	0