Manute Bol had the best block percentage in the playoffs when playing 25+ games, at 8.9 percent.

highest career blk% by a player in the playoffs minimum 25 gp

NAME	GP	BLK%	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
Manute Bol	29	8.9	17.1	2.8	3.8	0.1	0.2	2.7	0.4	1.2	3.0	38.6	0.1	0.8	8.7	0.4	0.9	44.4	496	82	109	3	6	77	13	61
Hassan Whiteside	26	8.5	20.7	7.3	7.9	0.2	0.4	2.0	1.2	2.8	4.8	59.2	0.0	0.0	100.0	1.6	2.9	56.0	539	191	205	6	11	52	31	76	-23
Greg Ostertag	89	7.9	19.9	4.2	5.4	0.3	0.3	1.9	0.8	1.6	3.4	46.5	0.0	0.0		1.1	1.8	57.3	1,768	372	482	31	29	165	68	247	+85
Robert Williams III	56	7.0	18.2	6.3	5.3	0.9	0.4	1.4	0.6	2.7	3.8	72.9	0.0	0.1	0.0	0.9	1.2	74.2	1,019	355	297	48	25	78	34	104	+129
Oliver Miller	49	6.8	14.8	4.4	3.7	1.3	0.6	1.6	1.2	1.8	3.3	55.9	0.0	0.1	0.0	0.8	1.4	54.4	727	217	181	66	27	76	60	119	-29
JaVale McGee	74	6.8	12.4	5.6	4.0	0.4	0.3	1.0	0.7	2.4	3.9	61.6	0.0	0.1	0.0	0.8	1.3	57.1	916	416	295	30	21	74	50	145	+159
Theo Ratliff	44	6.6	19.8	5.3	4.3	0.4	0.5	1.5	0.8	2.0	4.1	49.7	0.0	0.0		1.2	1.9	64.3	873	232	188	18	20	67	37	121	-9
Raef LaFrentz	35	6.4	26.3	8.5	5.2	0.5	0.5	2.2	0.8	3.5	7.9	44.6	0.6	2.1	29.7	0.9	1.1	75.0	921	298	183	18	19	77	27	152	+26
Alonzo Mourning	95	6.4	27.3	13.6	7.0	0.9	0.5	2.3	2.4	4.6	9.1	51.2	0.1	0.2	36.8	4.2	6.5	64.9	2,597	1,291	665	81	45	215	226	330	+43
Shawn Bradley	43	6.4	13.0	3.0	3.4	0.2	0.2	1.1	0.6	1.3	2.6	47.8	0.0	0.0	0.0	0.5	0.6	74.1	557	128	147	10	7	47	26	102	-87
Chris Andersen	73	6.2	17.1	5.3	5.0	0.4	0.4	1.2	0.6	1.9	3.0	63.1	0.0	0.0	0.0	1.6	2.3	68.9	1,250	389	364	26	26	90	42	158	+196
Dikembe Mutombo	101	6.1	30.9	9.1	9.5	0.8	0.4	2.5	1.5	3.0	5.8	51.7	0.0	0.0	0.0	3.1	4.4	70.3	3,117	918	962	78	40	251	149	259	-71
DeSagana Diop	28	6.0	19.5	2.9	5.4	0.1	0.6	1.4	0.5	1.2	1.9	61.1	0.0	0.0		0.5	0.9	56.0	547	80	150	4	17	38	15	102	+5
Myles Turner	29	6.0	31.2	12.8	6.9	1.0	0.6	2.0	1.4	5.1	10.4	49.2	0.9	2.6	33.8	1.8	2.7	65.4	906	372	200	28	16	58	42	96	+35
Serge Ibaka	152	5.9	27.1	10.6	6.3	0.7	0.4	1.9	0.9	4.3	8.6	49.9	0.6	1.6	38.2	1.4	1.7	78.9	4,119	1,608	965	109	61	292	141	449	+263
George Johnson	50	5.7	20.0	4.7	6.9	1.0	0.7	2.0	0.8	1.9	3.4	56.4	0.0	0.0		0.8	1.3	64.1	998	235	347	52	34	101	15	158
Onyeka Okongwu	29	5.6	14.0	3.8	3.9	0.4	0.4	0.9	0.5	1.4	2.5	56.9	0.0	0.1	50.0	0.9	1.4	65.9	405	110	113	11	11	25	15	65	-39
Mark Eaton	74	5.6	31.0	6.1	7.5	0.7	0.5	2.8	1.1	2.4	5.0	48.9	0.0	0.0		1.3	2.0	63.9	2,295	454	557	52	35	210	81	250
Hakeem Olajuwon	145	5.5	39.6	25.9	11.2	3.2	1.7	3.3	2.9	10.4	19.6	52.8	0.0	0.1	22.2	5.1	7.1	71.9	5,749	3,755	1,621	458	245	472	424	562	-29
Ronny Turiaf	47	5.5	11.0	2.7	2.0	0.2	0.1	0.8	0.5	1.0	2.0	49.5	0.0	0.0		0.7	1.2	58.6	515	128	96	11	7	37	23	95	-96
DeAndre Jordan	65	5.5	28.2	8.9	10.1	0.8	0.7	1.8	1.3	3.2	4.8	66.9	0.0	0.0	0.0	2.4	5.9	40.8	1,833	577	658	49	47	120	84	180	-129
Marcus Camby	79	5.5	28.4	7.5	9.0	1.2	0.8	1.9	1.0	3.0	6.8	44.3	0.0	0.1	42.9	1.4	2.4	57.8	2,245	589	712	95	61	151	79	259	-188
Ian Mahinmi	67	5.5	11.9	3.2	2.6	0.3	0.3	0.7	0.6	1.1	2.2	52.7	0.0	0.0		0.9	1.5	61.4	800	216	171	19	19	50	43	150	-118
Timofey Mozgov	40	5.3	17.6	6.4	4.8	0.5	0.3	1.1	1.3	2.3	4.7	48.9	0.0	0.0		1.8	2.3	76.3	704	255	190	18	13	45	50	89	+50
Roy Hibbert	54	5.3	31.6	12.6	8.3	1.1	0.2	2.0	1.9	4.8	9.8	48.6	0.0	0.0	50.0	3.0	3.9	76.5	1,708	680	449	58	13	106	103	195	+62