2021 Sun Belt Conference Leaders Passing Defense - Games in August/September Only through 01/10/2022
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Coastal Carolina | 4 | 87 | 49 | 56.3 | 523 | 6.0 | 0 | 0 | 106.81 | 21.8 | 130.8 |
| 2 | Troy | 4 | 85 | 52 | 61.2 | 587 | 6.9 | 3 | 6 | 116.72 | 21.3 | 146.8 |
| 3 | Georgia State | 4 | 106 | 61 | 57.5 | 915 | 8.6 | 8 | 0 | 154.97 | 26.5 | 228.8 |
| 4 | Louisiana-Lafayette | 4 | 114 | 69 | 60.5 | 937 | 8.2 | 8 | 2 | 149.22 | 28.5 | 234.3 |
| 5 | South Alabama | 3 | 95 | 56 | 58.9 | 706 | 7.4 | 2 | 4 | 119.91 | 31.7 | 235.3 |
| 6 | Appalachian State | 4 | 143 | 82 | 57.3 | 990 | 6.9 | 3 | 2 | 119.61 | 35.8 | 247.5 |
| 7 | Texas State | 4 | 140 | 85 | 60.7 | 1040 | 7.4 | 10 | 1 | 145.25 | 35.0 | 260.0 |
| 8 | Louisiana-Monroe | 3 | 123 | 84 | 68.3 | 975 | 7.9 | 7 | 3 | 148.78 | 41.0 | 325.0 |
| 9 | Georgia Southern | 4 | 128 | 78 | 60.9 | 1306 | 10.2 | 14 | 0 | 182.75 | 32.0 | 326.5 |
| 10 | Arkansas State | 4 | 144 | 87 | 60.4 | 1466 | 10.2 | 14 | 5 | 171.08 | 36.0 | 366.5 |