which player has the highest winning percentage ever in history with a minimum of 150 games played by a guard

Cason Wallace has the best winning percentage by a guard when playing 150+ games, winning 74.7 percent of the time.

	NAME	W%	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	Cason Wallace C. Wallace	.747	150	23.8	7.5	2.8	2.0	1.3	0.5	3.0	6.2	48.2	1.1	2.9	38.9	0.4	0.5	79.7	58.6	0.8	2.0	0.7	3,568	1,129	416	293	196	72	104	274	+497
2	Magic Johnson M. Johnson	.741	874	36.9	19.7	7.3	11.4	1.9	0.4	6.9	13.3	52.1	0.3	1.2	29.8	5.5	6.5	84.8	60.9	1.8	5.5	3.9	32,287	17,239	6,376	9,921	1,698	361	3,403	2,002
3	Rick Carlisle R. Carlisle	.739	188	7.8	2.2	0.8	1.1	0.2	0.0	0.9	2.2	42.2	0.1	0.3	22.9	0.3	0.4	77.5	46.6	0.2	0.5	0.6	1,461	422	141	201	42	9	120	187
4	K.C. Jones	.731	676	25.9	7.4	3.5	4.3			2.8	7.3	38.7				1.7	2.7	64.7	43.5				17,501	5,011	2,399	2,908				1,816
5	Michael Cooper M. Cooper	.729	873	27.1	8.9	3.2	4.2	1.2	0.6	3.5	7.4	46.9	0.5	1.4	34.0	1.5	1.8	83.3	54.4	0.8	2.3	1.6	23,635	7,729	2,769	3,666	1,033	523	1,429	2,329
6	Patrick McCaw P. McCaw	.722	162	15.2	3.6	1.4	1.2	0.6	0.2	1.4	3.3	42.1	0.4	1.4	29.9	0.4	0.5	79.8	51.5	0.3	1.2	0.6	2,465	590	233	191	100	27	94	173	-207
7	Manu Ginobili M. Ginobili	.721	1,057	25.4	13.3	3.5	3.8	1.3	0.3	4.3	9.7	44.7	1.4	3.8	36.9	3.2	3.9	82.7	58.2	0.6	2.8	2.0	26,859	14,043	3,697	4,001	1,392	319	2,116	2,212	+5468
8	Frank Ramsey F. Ramsey	.721	401	24.0	13.1	5.5	1.7			4.6	11.6	39.2				4.0	5.0	80.3	47.4				9,644	5,266	2,190	694				1,379
9	Michael Finley M. Finley	.719	295	31.8	13.4	3.7	2.1	0.7	0.3	5.1	11.9	42.6	1.7	4.4	39.3	1.5	1.8	83.8	52.6	0.6	3.1	0.9	9,378	3,951	1,088	611	198	74	261	431	+1091
10	Sam Jones S. Jones	.715	670	30.9	20.2	5.0	2.9			8.2	18.0	45.8				3.7	4.6	81.1	50.5				20,713	13,512	3,342	1,946				1,490
11	Tony Parker T. Parker	.711	1,254	30.5	15.5	2.7	5.6	0.8	0.1	6.2	12.6	49.1	0.4	1.3	32.4	2.7	3.6	75.1	54.6	0.4	2.4	2.3	38,279	19,473	3,396	7,036	1,053	98	2,865	2,059	+5690
12	Danny Green D. Green	.699	764	25.2	8.6	3.4	1.5	1.0	0.8	3.0	7.3	42.0	1.9	4.7	39.8	0.6	0.8	80.6	56.7	0.6	2.8	1.0	19,246	6,586	2,598	1,173	788	573	749	1,347	+3118
13	Jonathon Simmons J. Simmons	.698	189	17.3	6.2	2.0	1.7	0.5	0.2	2.3	5.4	42.6	0.4	1.3	30.0	1.3	1.7	74.8	51.1	0.3	1.7	1.0	3,269	1,180	382	312	100	45	197	338	+154
14	Don Carlson D. Carlson	.694	180		8.0	1.7	1.8			3.3	10.1	33.0				1.4	2.2	62.3	36.4					1,447	15	324				511
15	Ronnie Brewer R. Brewer	.691	337	23.5	7.8	2.9	1.7	1.3	0.2	3.1	6.3	49.8	0.1	0.6	23.7	1.4	2.1	67.8	54.2	0.9	2.0	0.8	7,921	2,643	973	589	435	83	260	380	+788
16	Danny Ainge D. Ainge	.690	1,042	26.6	11.5	2.7	4.0	1.1	0.1	4.5	9.5	46.9	1.0	2.5	37.8	1.6	1.9	84.6	55.5	0.7	2.0	1.5	27,755	11,964	2,768	4,199	1,133	132	1,566	2,549
17	Mike Riordan M. Riordan	.687	163	18.4	6.2	2.2	2.0			2.6	5.7	44.5				1.1	1.7	66.3	48.0				2,997	1,015	363	322				343
18	Michael Jordan M. Jordan	.687	930	38.6	31.5	6.3	5.4	2.5	0.9	11.8	23.3	50.5	0.6	1.8	33.2	7.3	8.7	83.8	58.0	1.7	4.6	2.8	35,887	29,277	5,836	5,012	2,306	828	2,589	2,493	+1416
19	Andrew Toney A. Toney	.675	468	26.9	15.9	2.2	4.2	0.8	0.2	6.1	12.2	50.0	0.3	0.9	34.2	3.4	4.3	79.7	56.5	0.5	1.7	3.0	12,608	7,458	1,009	1,965	369	105	1,394	1,341
20	Payton Pritchard P. Pritchard	.674	347	20.2	9.1	2.7	2.5	0.5	0.1	3.3	7.3	45.4	1.9	4.8	39.9	0.5	0.6	85.6	59.8	0.8	2.0	0.8	7,008	3,153	952	883	185	36	278	426	+995
21	Klay Thompson K. Thompson	.666	793	32.6	19.6	3.5	2.3	0.9	0.5	7.3	16.1	45.3	3.1	7.6	41.3	1.8	2.1	85.8	57.4	0.5	3.1	1.7	25,842	15,531	2,795	1,843	676	413	1,336	1,624	+3914
22	Maurice Evans M. Evans	.665	230	18.0	6.5	2.5	0.8	0.5	0.1	2.6	5.6	46.2	0.7	1.8	36.8	0.8	1.0	75.2	54.5	1.1	1.4	0.5	4,137	1,504	586	190	124	33	115	377	+105
23	Mario Elie M. Elie	.663	273	24.5	7.2	2.8	2.2	0.9	0.2	2.5	5.3	46.4	0.6	1.7	37.4	1.6	1.9	84.6	58.2	0.7	2.1	1.2	6,691	1,964	768	587	245	48	334	518	+601
24	Derek Fisher D. Fisher	.663	1,287	25.4	8.3	2.1	3.0	1.1	0.1	2.9	7.2	39.9	1.0	2.6	37.4	1.6	1.9	81.7	51.4	0.3	1.7	1.1	32,719	10,713	2,658	3,804	1,352	98	1,473	2,684	+4164
25	Jalen Williams J. Williams	.660	215	31.3	18.1	4.6	4.3	1.4	0.6	7.0	13.7	51.3	1.4	3.7	38.2	2.7	3.3	80.3	59.7	0.8	3.8	1.8	6,735	3,901	988	924	294	126	396	524	+786