| Jarrett Allen Rankings 2020-2021 | Stats Glossary  |
| Games with 10 or more Rebounds | Cleveland Cavaliers Record : 8 - 20 | Jarrett Allen |
| No | Date | Game | Res | Score | Rebounds |
| 1 | May 16 | at Brooklyn | L | 109-123 | 11 |
| 2 | May 14 | at Washington | L | 105-120 | 14 |
| 3 | May 12 | vs Boston | W | 102-94 | 10 |
| 4 | May 7 | at Dallas | L | 90-110 | 12 |
| 5 | May 5 | vs Portland | L | 105-141 | 13 |
| 6 | May 1 | vs Miami | L | 107-124 | 14 |
| 7 | Apr 30 | vs Washington | L | 93-122 | 11 |
| 8 | Apr 28 | vs Orlando | L | 104-109 | 13 |
| 9 | Apr 25 | at Washington | L | 110-119 | 12 |
| 10 | Apr 17 | at Chicago | L | 96-106 | 11 |
| 11 | Apr 15 | vs Golden_State | L | 101-119 | 14 |
| 12 | Mar 26 | at L.A.Lakers | L | 86-100 | 11 |
| 13 | Mar 21 | vs Toronto | W | 116-105 | 15 |
| 14 | Mar 19 | vs San_Antonio | L | 110-116 | 11 |
| 15 | Mar 16 | at Miami | L | 98-113 | 10 |
| 16 | Mar 14 | at Atlanta | L | 82-100 | 11 |
| 17 | Mar 3 | vs Indiana | L | 111-114 | 11 |
| 18 | Mar 1 | at Houston | W | 101-90 | 15 |
| 19 | Feb 27 | at Philadelphia | W | 112-109 | 10 |
| 20 | Feb 24 | vs Houston | W | 112-96 | 18 |
| 21 | Feb 23 | vs Atlanta | W | 112-111 | 14 |
| 22 | Feb 21 | vs Oklahoma_City | L | 101-117 | 17 |
| 23 | Feb 19 | vs Denver | L | 103-120 | 10 |
| 24 | Feb 15 | at Golden_State | L | 98-129 | 14 |
| 25 | Feb 14 | at L.A.Clippers | L | 111-128 | 10 |
| 26 | Feb 10 | at Denver | L | 95-133 | 10 |
| 27 | Feb 1 | vs Minnesota | W | 100-98 | 18 |
| 28 | Jan 20 | vs Brooklyn | W | 147-135 | 11 |
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