Rank	Blks/Gm	Player	Pos	Seasons	Blks	Gms
1	2.0315	Greg Ostertag	C	1992-95	258	127
2	1.7410	Eric Chenowith	C	1998-2001	242	139
3	1.7113	Nick Collison	F	2000-03	243	142
4	1.7031	Scot Pollard	C	1994-97	218	128
5	1.6226	Herb Nobles	F	1976-77	86	53
6	1.5816	John Crawford	F	1978-81	155	98
7	1.5281	Paul Mokeski	C	1976-79	136	89
8	1.4536	Donnie Von Moore	F-C	1974-75,1977-78	141	97
9	1.3871	David Padgett	C	2004	43	31
10	1.3605	Danny Manning	F-C	1985-88	200	147
11	1.3143	Greg Dreiling	C	1984-86	138	105
12	1.1176	Pekka Markkanen	C	1990	38	34
13	1.0918	Drew Gooden	F	2000-02	107	98
14	1.0534	Raef LaFrentz	F-C	1995-98	138	131
15	0.9881	Brian Martin	C-F	1982-84	83	84
16	0.9074	Paul Pierce	F	1996-98	98	108
17	0.8235	B. J. Williams	F	1994-97	112	136
18	0.7857	Marvin Branch	C	1988	11	14
19	0.7750	Wayne Simien	F	2002-Present	62	80
20	0.7463	Eric Pauley	C	1992-93	50	67
21	0.6988	Rick Suttle	C-F	1973-75	58	83
22	0.6724	Sean Alvarado	C	1987,1989	39	58
23	0.6436	Kelly Knight	C-F	1980, 1982-84	65	101
24	0.6386	Norm Cook	F	1974-76	53	83
25	0.6377	Jeff Graves	F	2003-04	44	69
26	0.6061	J.R. Giddens	G	2004-Present	20	33
27	0.6042	Ken Koenigs	F-C	1975-78	58	96
28	0.5897	Kerry Boagni	G	1983-84	23	39
29	0.5741	Keith Langford	G-F	2002-Present	62	108
30	0.5238	Lester Earl	F-C	1998-2000	33	63
31	0.5208	Chester Giles	F-C	1979-80	25	48
32	0.4425	David Magley	F-G	1979-82	50	113
33	0.4043	Kirk Hinrich	G	2000-03	57	141
34	0.3984	Mike Maddox	F	1988-91	49	123
35	0.3750	Nick Proud	C	1994	6	16
36	0.3714	Nick Bradford	F-G	1997-2000	52	140
37	0.3690	Alonzo Jamison	F	1990-92	31	84
38	0.3448	David Johanning	C	1991-92	20	58
39	0.3282	Calvin Thompson	G-F	1983-86	43	131
40	0.3212	Richard Scott	F	1991-94	44	137
41	0.3158	John Douglas	G-F	1977-78	18	57
42	0.3143	Rick Calloway	F	1990	11	35
43	0.3077	Luke Axtell	F-G	2000-01	12	39
44	0.3047	Milt Newton	F-G	1985,1987-89	39	128
45	0.2769	T. J. Pugh	F-C	1996-99	36	130
46	0.2721	Kenny Gregory	G-F	1998-2001	37	136
47	0.2681	Steve Woodberry	G-F	1991-94	37	138
48	0.2667	Scott Anderson	F	1977-78	8	30
49	0.2632	Wilmore Fowler	G	1978-79	15	57
50	0.2623	Bryant Nash	F	2001-04	32	122
51	0.2500	Rex Walters	G	1992-93	17	68
52	0.2324	Ryan Robertson	G	1996-99	33	142
53	0.2321	Jeff Dishman	F	1982-83	13	56
-	0.1957	Christian Moody	F	2003-Present	9	46
-	0.1818	Moulaye Niang	F	2003-Present	10	55
-	0.1296	Aaron Miles	G	2002-Present	14	108
-	0.1167	Jeff Hawkins	G	2003-Present	7	60
-	0.0682	Michael Lee	G	2002-Present	6	88
-	0.0625	Nick Bahe	G	2004-Present	1	16
-	0.0000	Jeremy Case	G	2004-Present	0	21
-	0.0000	Stephen Vinson	G	2003-Present	0	34