which player has the highest winning percentage ever in finals history with a minimum of 40 games played

K.C. Jones had the best winning percentage in the NBA Finals when playing 40+ games, winning 68.2 percent of the time.

	NAME	W%	GP	SERIES	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	K.C. Jones	.682	44	NBA Finals	22.0	6.5	2.5				2.5	6.2	39.9				1.6	2.3	71.0	45.6				969	287	110					128
2	Tom Sanders T. Sanders	.674	43	NBA Finals	26.2	10.5	6.4	1.2			4.3	9.3	46.1				1.9	2.6	73.5	50.3				1,126	453	277	50				179
3	John Havlicek J. Havlicek	.660	47	NBA Finals	39.8	21.7	7.4	4.1	1.2	0.2	8.3	19.7	42.1				5.1	6.0	84.8	48.5	1.7	5.0		1,872	1,020	350	195	15	3		154
4	Sam Jones S. Jones	.656	64	NBA Finals	29.2	17.9	4.9				7.2	15.5	46.1				3.5	4.3	82.2	51.2				1,871	1,143	312					151
5	Tom Heinsohn T. Heinsohn	.654	52	NBA Finals	30.8	19.9	9.1				7.8	19.5	40.1				4.3	5.7	74.2	45.1				1,602	1,035	473					209
6	Bill Russell B. Russell	.643	70	NBA Finals	45.5	16.4	24.5				5.9	13.0	45.6				4.6	7.5	61.3	50.5				3,185	1,151	1,718					225
7	Frank Ramsey F. Ramsey	.638	47	NBA Finals	24.6	13.5	4.8				4.7	11.3	41.3				4.1	5.1	81.5	49.7				1,158	634	224					178
8	Bob Cousy B. Cousy	.619	42	NBA Finals	39.0	17.0	5.0	9.5			6.1	18.2	33.7				4.7	6.1	77.0	40.6				1,639	713	210	397				114
9	Derek Fisher D. Fisher	.558	43	NBA Finals	28.2	8.7	2.2	2.4	1.0	0.0	3.0	6.9	42.9	1.1	2.7	41.7	1.7	2.1	81.3	55.9	0.4	1.7	1.0	1,212	376	94	103	45	1	41	127	+110
10	Kareem Abdul-Jabbar K. Abdul-Jabbar	.518	56	NBA Finals	37.2	23.5	9.1	3.2	0.9	2.2	9.7	18.6	52.3	0.0	0.0	0.0	4.1	5.8	70.0	55.6	2.4	5.9	2.7	2,082	1,317	507	181	45	116	121	196
11	Michael Cooper M. Cooper	.500	46	NBA Finals	30.6	10.3	2.9	3.9	1.3	0.4	3.9	8.7	44.7	0.8	2.0	38.0	1.8	2.2	80.6	53.5	0.8	2.2	1.3	1,406	474	135	178	59	20	60	159
12	Magic Johnson M. Johnson	.480	50	NBA Finals	40.9	19.4	7.9	11.7	2.0	0.3	6.8	13.1	51.6	0.2	0.8	23.7	5.7	6.5	87.4	60.7	1.8	6.2	3.8	2,044	971	397	584	102	16	190	147
13	LeBron James L. James	.400	55	NBA Finals	42.5	28.4	10.2	7.8	1.7	0.8	10.7	22.1	48.4	1.8	5.2	35.2	5.2	7.1	73.1	56.3	1.9	8.3	3.9	2,337	1,562	561	430	93	46	217	130	-86
14	Jerry West J. West	.400	55	NBA Finals	43.3	30.5	5.0	5.6			11.1	24.2	45.9				8.3	10.0	82.6	53.3				2,380	1,679	277	306				159
15	Elgin Baylor E. Baylor	.364	44	NBA Finals	42.0	26.4	13.5				10.0	23.5	42.7				6.3	8.3	75.5	48.6				1,850	1,161	593					140