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← Efficiency

Defensive Efficiency

Points allowed per 100 possessions.

100 × season points allowed ÷ opponents' season possessions. Possessions aren't in the box score, so they're estimated as FGA − OffReb + TO + 0.475×FTA (the standard estimator). Per-possession accounting keeps a slow, stingy-looking defense and a fast, leaky-looking one on the same scale.

Lower is better  ·  league avg 101.7  ·  as of 2021-04-06

Team Distribution

Season-to-date value for every team, with a density curve.

min 87.0 max 124.9 mean 101.7 std 5.5 (n=349)

By Conference

A dot per team, best conference average at the top. The tick marks each conference's mean.

Does it predict winners?

Predicts home win: AUC 0.66 (team entering with the better value wins 62% of games)

See the game-by-game scatter on the Predictor page →

Team Rankings

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# Team Defensive Efficiency z Pctl GP
1 Memphis 87.0 -2.68 100 28
2 Abilene Christian 87.1 -2.66 100 25
3 Jackson State 88.2 -2.46 99 18
4 Loyola Chicago 88.4 -2.42 99 29
5 UAB 89.9 -2.15 99 27
6 Utah State 90.0 -2.14 99 28
7 Saint Peter's 90.2 -2.09 98 25
8 Houston 90.3 -2.08 98 31
9 Prairie View A&M 90.7 -2.01 98 21
10 VCU 92.1 -1.75 97 26
11 Tennessee 92.2 -1.74 97 27
12 Winthrop 92.3 -1.71 97 25
13 San Diego State 92.6 -1.66 97 27
14 Louisiana Tech 92.9 -1.61 96 31
15 Wright State 93.1 -1.58 96 24
16 UC Irvine 93.2 -1.56 96 25
17 Texas Tech 93.2 -1.55 95 29
18 Gonzaga 93.3 -1.53 95 32
19 Alabama 93.4 -1.52 95 33
20 St. Bonaventure 93.8 -1.44 95 21
21 Baylor 94.0 -1.41 94 30
22 Vermont 94.1 -1.39 94 15
23 North Texas 94.1 -1.39 94 27
24 Quinnipiac 94.3 -1.36 93 22
25 UC Santa Barbara 94.3 -1.35 93 25
26 UMBC 94.3 -1.35 93 20
27 Ole Miss 94.4 -1.34 93 28
28 Alabama A&M 94.4 -1.34 92 15
29 UC Riverside 94.4 -1.34 92 22
30 Southern 94.6 -1.29 92 19
31 Marist 94.6 -1.29 91 21
32 Saint Mary's 94.7 -1.29 91 24
33 Arkansas 94.7 -1.29 91 32
34 Grand Canyon 94.7 -1.27 91 21
35 Siena 94.8 -1.27 90 17
36 Clemson 95.0 -1.22 90 24
37 Colgate 95.1 -1.21 90 16
38 USC 95.1 -1.21 89 33
39 Illinois 95.1 -1.21 89 31
40 Michigan 95.1 -1.20 89 28
41 Iona 95.2 -1.19 89 18
42 Morehead State 95.3 -1.18 88 29
43 Hartford 95.3 -1.17 88 24
44 Texas State 95.4 -1.15 88 23
45 Saint Louis 95.5 -1.14 87 21
46 Washington State 95.5 -1.13 87 27
47 UNC Greensboro 95.6 -1.12 87 30
48 Texas Southern 95.6 -1.12 86 25
49 Colorado State 95.7 -1.09 86 27
50 Colorado 95.8 -1.08 86 32
51 Boise State 95.9 -1.06 86 27
52 Belmont 96.0 -1.04 85 30
53 Grambling 96.1 -1.03 85 23
54 Mount St. Mary's 96.1 -1.02 85 23
55 Liberty 96.2 -1.01 84 25
56 Kansas 96.3 -0.99 84 29
57 Portland State 96.3 -0.99 84 18
58 Coastal Carolina 96.5 -0.95 84 22
59 Florida A&M 96.6 -0.94 83 20
60 SMU 96.7 -0.92 83 17
61 Texas 96.7 -0.91 83 27
62 Manhattan 96.8 -0.90 82 20
63 Stephen F. Austin 97.0 -0.86 82 18
64 Buffalo 97.1 -0.84 82 25
65 BYU 97.2 -0.83 82 26
66 UT Rio Grande Valley 97.2 -0.82 81 15
67 Merrimack 97.3 -0.81 81 18
68 Creighton 97.3 -0.80 81 31
69 Eastern Kentucky 97.5 -0.77 80 27
70 Drake 97.5 -0.77 80 29
71 Morgan State 97.5 -0.77 80 19
72 UConn 97.6 -0.76 80 23
73 Western Kentucky 97.6 -0.76 79 29
74 Wisconsin 97.6 -0.75 79 31
75 Oklahoma State 97.6 -0.75 79 30
76 Stanford 97.7 -0.74 78 27
77 Tulane 98.0 -0.68 78 23
78 George Mason 98.0 -0.68 78 22
79 North Carolina 98.0 -0.68 78 29
80 Virginia Tech 98.0 -0.68 77 22
81 Monmouth 98.0 -0.68 77 20
82 Navy 98.1 -0.67 77 18
83 Santa Clara 98.1 -0.66 76 19
84 Long Island University 98.2 -0.65 76 18
85 Tulsa 98.2 -0.65 76 21
86 Stony Brook 98.2 -0.65 76 22
87 Idaho State 98.2 -0.64 75 19
88 Duquesne 98.2 -0.64 75 18
89 Norfolk State 98.3 -0.62 75 23
90 Mississippi State 98.4 -0.60 74 33
91 Florida State 98.5 -0.59 74 25
92 East Carolina 98.5 -0.59 74 18
93 Rutgers 98.5 -0.59 74 28
94 Nicholls 98.6 -0.57 73 24
95 Elon 98.6 -0.57 73 18
96 Murray State 98.7 -0.56 73 24
97 Massachusetts 98.7 -0.56 72 15
98 Maine 98.7 -0.56 72 9
99 Alabama State 98.7 -0.55 72 18
100 Missouri State 98.7 -0.55 72 22
101 UAlbany 98.8 -0.54 71 16
102 Queens University 98.8 -0.53 71 3
103 Florida 98.8 -0.53 71 25
104 Marshall 98.9 -0.52 70 22
105 Northeastern 99.0 -0.50 70 19
106 Rhode Island 99.0 -0.50 70 25
107 Indiana State 99.0 -0.50 70 24
108 Weber State 99.0 -0.50 69 20
109 Virginia 99.1 -0.49 69 25
110 Loyola Maryland 99.1 -0.48 69 17
111 Old Dominion 99.1 -0.48 68 22
112 Southern Miss 99.1 -0.47 68 23
113 Purdue 99.2 -0.46 68 28
114 Arizona 99.3 -0.44 68 26
115 Kentucky 99.3 -0.44 67 25
116 Dayton 99.3 -0.44 67 24
117 Bryant 99.3 -0.43 67 21
118 Coppin State 99.4 -0.42 66 22
119 Sam Houston 99.4 -0.42 66 24
120 Florida Atlantic 99.4 -0.42 66 19
121 Canisius 99.5 -0.42 66 13
122 San Francisco 99.5 -0.41 65 25
123 Florida Gulf Coast 99.5 -0.40 65 16
124 Niagara 99.6 -0.40 65 20
125 New Hampshire 99.6 -0.39 64 18
126 Delaware 99.7 -0.37 64 14
127 Eastern Washington 99.7 -0.36 64 23
128 Louisville 99.8 -0.35 64 20
129 Oklahoma 99.8 -0.35 63 27
130 Furman 99.9 -0.34 63 22
131 Xavier 99.9 -0.33 63 21
132 Radford 100.0 -0.31 62 25
133 Nevada 100.0 -0.31 62 25
134 East Tennessee State 100.1 -0.31 62 23
135 UTEP 100.1 -0.30 61 21
136 New Mexico State 100.1 -0.30 61 17
137 DePaul 100.1 -0.29 61 19
138 Cal State Bakersfield 100.2 -0.28 61 24
139 James Madison 100.2 -0.28 60 17
140 Loyola Marymount 100.3 -0.27 60 22
141 Wichita State 100.3 -0.26 60 20
142 App State 100.3 -0.26 59 25
143 Maryland 100.4 -0.24 59 30
144 UC Davis 100.5 -0.22 59 17
145 Kansas City 100.6 -0.20 59 20
146 Georgia Tech 100.6 -0.20 58 26
147 Oregon 100.7 -0.19 58 28
148 Richmond 100.7 -0.19 58 22
149 Little Rock 100.7 -0.19 57 25
150 Syracuse 100.7 -0.19 57 28
151 Temple 100.8 -0.17 57 16
152 Georgia Southern 100.9 -0.16 57 22
153 Charlotte 100.9 -0.15 56 24
154 Villanova 100.9 -0.15 56 25
155 Louisiana 101.0 -0.14 56 24
156 Indiana 101.0 -0.13 55 27
157 Texas A&M 101.1 -0.12 55 18
158 Fairfield 101.1 -0.12 55 27
159 Southeast Missouri State 101.1 -0.11 55 27
160 Cincinnati 101.2 -0.10 54 23
161 West Virginia 101.2 -0.09 54 29
162 Chattanooga 101.3 -0.08 54 24
163 UCLA 101.3 -0.08 53 32
164 Wagner 101.3 -0.08 53 20
165 Jacksonville State 101.4 -0.07 53 25
166 UCF 101.4 -0.06 53 23
167 Davidson 101.4 -0.06 52 21
168 Seton Hall 101.4 -0.05 52 27
169 Pacific 101.5 -0.05 52 17
170 North Dakota State 101.5 -0.05 51 27
171 Missouri 101.5 -0.04 51 26
172 Seattle U 101.5 -0.04 51 19
173 Georgetown 101.5 -0.04 51 26
174 UL Monroe 101.6 -0.03 50 26
175 Valparaiso 101.6 -0.03 50 26
176 Northwestern 101.6 -0.03 50 23
177 NC State 101.6 -0.02 49 25
178 NJIT 101.6 -0.02 49 19
179 Army 101.7 -0.02 49 21
180 Georgia State 101.7 -0.00 49 20
181 North Alabama 101.7 -0.00 48 20
182 Tennessee State 101.8 +0.01 48 22
183 Jacksonville 101.8 +0.02 48 22
184 St. John's 101.9 +0.02 47 27
185 Montana 101.9 +0.03 47 23
186 North Carolina A&T 101.9 +0.03 47 19
187 Ohio 101.9 +0.04 47 24
188 Gardner-Webb 102.0 +0.04 46 26
189 Marquette 102.0 +0.05 46 27
190 Hawai'i 102.0 +0.05 46 19
191 Toledo 102.1 +0.06 45 30
192 Kent State 102.1 +0.07 45 22
193 Arkansas State 102.1 +0.07 45 21
194 Iowa 102.2 +0.09 45 31
195 Providence 102.2 +0.09 44 26
196 Northern Colorado 102.2 +0.09 44 19
197 Pittsburgh 102.2 +0.09 44 22
198 Presbyterian 102.3 +0.09 43 21
199 Pepperdine 102.3 +0.10 43 25
200 Montana State 102.3 +0.11 43 21
201 Middle Tennessee 102.3 +0.11 43 22
202 UMass Lowell 102.3 +0.11 42 23
203 Mercer 102.4 +0.11 42 26
204 Drexel 102.4 +0.12 42 20
205 Duke 102.4 +0.13 41 24
206 Longwood 102.5 +0.13 41 28
207 Nebraska 102.5 +0.13 41 26
208 Fresno State 102.5 +0.14 41 22
209 Southern Utah 102.6 +0.16 40 19
210 UT Arlington 102.6 +0.16 40 23
211 Troy 102.6 +0.16 40 25
212 Lamar 102.7 +0.17 39 28
213 Michigan State 102.7 +0.18 39 28
214 Akron 102.7 +0.18 39 21
215 Utah 102.8 +0.19 39 25
216 Minnesota 102.8 +0.20 38 29
217 Bradley 102.8 +0.20 38 26
218 Campbell 102.9 +0.20 38 25
219 UNC Asheville 102.9 +0.21 37 20
220 UIC 102.9 +0.22 37 22
221 New Orleans 103.0 +0.22 37 24
222 Cleveland State 103.0 +0.22 36 27
223 LSU 103.1 +0.24 36 29
224 Auburn 103.1 +0.25 36 27
225 Oregon State 103.2 +0.26 36 32
226 High Point 103.2 +0.26 35 24
227 Penn State 103.3 +0.28 35 25
228 Utah Valley 103.4 +0.30 35 20
229 Southern Illinois 103.4 +0.31 34 25
230 Lipscomb 103.4 +0.31 34 23
231 Bowling Green 103.4 +0.31 34 25
232 Wofford 103.5 +0.31 34 22
233 Butler 103.5 +0.32 33 25
234 Ball State 103.6 +0.34 33 23
235 Austin Peay 103.6 +0.34 33 25
236 Georgia 103.6 +0.35 32 25
237 Tarleton State 103.6 +0.35 32 15
238 Miami 103.7 +0.36 32 27
239 Vanderbilt 103.7 +0.37 32 25
240 American University 103.7 +0.37 31 10
241 Fordham 103.8 +0.38 31 14
242 South Dakota State 104.0 +0.41 31 22
243 South Dakota 104.1 +0.42 30 24
244 IU Indianapolis 104.1 +0.43 30 18
245 Saint Francis 104.1 +0.44 30 22
246 South Alabama 104.2 +0.44 30 24
247 Ohio State 104.2 +0.44 29 31
248 Rice 104.3 +0.46 29 25
249 Long Beach State 104.4 +0.47 29 18
250 South Florida 104.5 +0.50 28 21
251 Northern Iowa 104.5 +0.51 28 23
252 George Washington 104.5 +0.51 28 17
253 Texas A&M-Corpus Christi 104.6 +0.52 28 21
254 Bellarmine 104.6 +0.52 27 20
255 UNLV 104.7 +0.53 27 25
256 Hampton 104.7 +0.54 27 25
257 TCU 104.7 +0.54 26 26
258 Cal Poly 104.8 +0.56 26 23
259 UTSA 104.9 +0.58 26 22
260 Kennesaw State 105.0 +0.59 26 21
261 Oral Roberts 105.0 +0.60 25 26
262 North Carolina Central 105.1 +0.60 25 13
263 Stetson 105.1 +0.61 25 24
264 Arizona State 105.2 +0.62 24 25
265 Illinois State 105.2 +0.62 24 24
266 Hofstra 105.2 +0.63 24 23
267 Eastern Illinois 105.3 +0.65 24 27
268 Kansas State 105.3 +0.65 23 28
269 South Carolina 105.4 +0.66 23 21
270 Samford 105.4 +0.66 23 17
271 Miami (OH) 105.4 +0.67 22 22
272 Utah Tech 105.5 +0.68 22 19
273 New Mexico 105.5 +0.68 22 20
274 Milwaukee 105.5 +0.69 22 22
275 Bucknell 105.6 +0.70 21 12
276 Charleston Southern 105.6 +0.71 21 20
277 UNC Wilmington 105.6 +0.71 21 16
278 La Salle 105.7 +0.72 20 24
279 California 105.8 +0.73 20 28
280 Charleston 105.8 +0.74 20 17
281 Northern Kentucky 105.9 +0.75 20 25
282 Lafayette 106.1 +0.79 19 15
283 San Diego 106.1 +0.79 19 14
284 Alcorn State 106.3 +0.83 19 19
285 SIU Edwardsville 106.4 +0.84 18 25
286 VMI 106.4 +0.84 18 22
287 William & Mary 106.5 +0.87 18 17
288 Lehigh 106.6 +0.88 18 15
289 Wyoming 106.7 +0.90 17 25
290 Binghamton 106.9 +0.93 17 18
291 California Baptist 106.9 +0.93 17 19
292 Rider 107.0 +0.95 16 23
293 SE Louisiana 107.0 +0.96 16 26
294 St. Francis Brooklyn 107.2 +1.00 16 19
295 Florida International 107.3 +1.01 16 22
296 Wake Forest 107.4 +1.03 15 21
297 Detroit Mercy 107.4 +1.03 15 22
298 Incarnate Word 107.5 +1.05 15 19
299 Central Connecticut 107.7 +1.08 14 21
300 Western Michigan 107.7 +1.08 14 20
301 Holy Cross 107.8 +1.10 14 16
302 Western Carolina 107.8 +1.10 14 25
303 South Carolina Upstate 107.9 +1.12 13 22
304 Youngstown State 108.0 +1.13 13 23
305 Fairleigh Dickinson 108.0 +1.14 13 24
306 Sacred Heart 108.3 +1.19 12 18
307 North Dakota 108.3 +1.20 12 26
308 South Carolina State 108.4 +1.21 12 18
309 Cal State Fullerton 108.5 +1.23 11 15
310 Tennessee Tech 108.7 +1.26 11 27
311 Omaha 108.8 +1.28 11 25
312 Purdue Fort Wayne 108.8 +1.28 11 23
313 Washington 108.8 +1.29 10 26
314 Iowa State 108.9 +1.29 10 24
315 Boston University 109.0 +1.32 10 18
316 Houston Christian 109.2 +1.35 9 24
317 McNeese 109.2 +1.36 9 18
318 UC San Diego 109.4 +1.40 9 14
319 Western Illinois 109.5 +1.41 9 21
320 Sacramento State 109.5 +1.42 8 18
321 Boston College 109.7 +1.44 8 20
322 Northwestern State 109.7 +1.44 8 28
323 Cal State Northridge 109.7 +1.45 7 21
324 Arkansas-Pine Bluff 109.8 +1.46 7 25
325 Green Bay 109.9 +1.48 7 25
326 Evansville 109.9 +1.48 7 25
327 Notre Dame 110.0 +1.51 6 26
328 Saint Joseph's 110.1 +1.52 6 20
329 The Citadel 110.4 +1.57 6 21
330 Denver 110.4 +1.58 5 20
331 North Florida 110.5 +1.59 5 21
332 Towson 110.7 +1.63 5 18
333 Central Michigan 111.4 +1.76 5 20
334 Oakland 111.5 +1.78 4 30
335 Central Arkansas 112.0 +1.87 4 23
336 Air Force 112.1 +1.89 4 25
337 Mercyhurst 112.1 +1.89 3 1
338 Idaho 112.2 +1.90 3 22
339 Delaware State 112.2 +1.91 3 17
340 Robert Morris 112.5 +1.96 3 18
341 UT Martin 112.7 +1.99 2 23
342 Northern Arizona 113.9 +2.22 2 22
343 Northern Illinois 114.2 +2.27 2 19
344 Eastern Michigan 115.0 +2.42 1 15
345 San José State 115.2 +2.45 1 19
346 Howard 116.2 +2.62 1 5
347 Portland 116.2 +2.64 1 18
348 Mississippi Valley State 118.3 +3.02 0 24
349 Chicago State 124.9 +4.21 0 9