Jack Ramsay has the most wins by a Trail Blazers coach, with 453 wins.

which blazers head coach has the most wins

Interpreted as:

Which blazers head coach has the most regular-season wins?

COACH	W	GP	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF
Jack Ramsay	453	820	241.4	110.2	44.3	25.3	9.6	5.3		43.8	89.1	49.1	0.5	2.0	22.5	22.3	29.8	74.8	197,950	90,358	36,332	20,716	7,868	4,365		20,732
Terry Stotts	402	720	241.7	107.8	45.1	21.5	6.6	4.9	13.1	39.7	87.3	45.5	10.8	29.3	37.0	17.5	22.0	79.6	174,050	77,581	32,449	15,510	4,733	3,550	9,430	14,342
Rick Adelman	291	445	242.2	111.4	46.5	25.5	9.2	4.9	15.5	42.6	90.9	46.8	3.4	9.8	34.6	22.9	30.7	74.7	107,800	49,592	20,697	11,366	4,083	2,195	6,878	10,592
Nate McMillan	266	535	242.1	95.5	40.0	20.0	6.8	4.7	12.8	35.7	79.0	45.2	6.0	16.8	35.7	18.0	23.6	76.6	129,500	51,091	21,382	10,714	3,636	2,513	6,856	11,240
Mike Dunleavy	190	296	241.8	95.6	43.2	22.7	7.8	5.3	15.1	36.0	78.4	45.9	4.5	13.2	34.5	19.0	25.3	75.0	71,565	28,291	12,791	6,727	2,301	1,569	4,482	6,595
Maurice Cheeks	162	301	242.2	93.8	41.9	22.2	8.1	4.9	14.1	35.9	79.7	45.1	5.1	14.6	34.8	16.9	22.8	74.2	72,915	28,244	12,615	6,677	2,427	1,468	4,239	5,924
P.J. Carlesimo	137	246	241.7	100.4	45.1	21.6	7.7	5.4	15.5	37.7	82.5	45.7	5.9	16.4	35.9	19.1	27.7	69.1	59,465	24,710	11,084	5,316	1,902	1,319	3,816	5,811
Mike Schuler	127	211	241.2	116.5	44.6	28.2	9.4	4.5	17.5	44.7	90.5	49.4	1.5	4.9	31.5	25.6	33.5	76.6	50,890	24,588	9,411	5,955	1,978	945	3,697	5,332
Chauncey Billups	81	246	241.2	108.7	42.1	23.4	7.5	4.5	13.9	39.5	87.4	45.1	12.3	35.1	35.2	17.4	22.2	78.3	59,340	26,732	10,345	5,755	1,837	1,096	3,424	5,025
Lenny Wilkens	75	164	241.5	103.9	47.4	26.2	9.3	4.9		41.7	87.8	47.4				20.6	28.1	73.2	39,610	17,041	7,766	4,303	1,531	805		4,146
Jack McCloskey	48	164	240.6	106.5	47.4	25.7	9.7	4.1		43.7	94.7	46.2				19.0	25.9	73.6	39,460	17,468	7,780	4,208	797	340		4,020
Rolland Todd	41	138	241.1	112.1	50.7	26.4				44.1	101.3	43.5				23.9	32.0	74.8	33,270	15,473	6,998	3,645				3,306
Kaleb Canales	8	23	241.1	97.4	38.9	19.5	7.1	4.1	13.2	36.3	82.4	44.0	8.6	23.0	37.5	16.3	20.0	81.3	5,545	2,240	894	448	164	94	303	383
Stu Inman	6	26	241.9	105.9	46.4	25.8				42.2	93.2	45.3				21.5	28.9	74.4	6,290	2,753	1,207	672				589
Kevin Pritchard	5	27	240.0	94.3	39.8	22.2	7.3	7.5	16.2	35.9	76.8	46.8	4.3	12.6	34.1	18.1	24.6	73.5	6,480	2,545	1,074	599	196	203	438	580