Season-final Elo for all four rated units. These are the opponent-strength values every player performance against Illinois Col. is judged with.
| Season | Rush Offense | Pass Offense | Rush Defense | Pass Defense |
|---|---|---|---|---|
| 2025 | 1096 | 1244 | 1216 | 1184 |
| 2024 | 1136 | 1251 | 1176 | 1146 |
| 2023 | 1070 | 1188 | 1165 | 1172 |
| 2022 | 1018 | 1112 | 1104 | 1150 |
| 2021 | 1017 | 1132 | 1098 | 1109 |
| 2020 | 1008 | 1148 | 1119 | 1132 |
| 2019 | 1016 | 1146 | 1114 | 1130 |
| 2018 | 1030 | 1160 | 1124 | 1106 |
| 2017 | 1046 | 1150 | 1086 | 1119 |
| 2016 | 1110 | 1162 | 1082 | 1110 |
| 2015 | 1146 | 1166 | 1092 | 1113 |
| 2014 | 1192 | 1151 | 1128 | 1114 |
| 2013 | 1202 | 1118 | 1091 | 1104 |
| 2012 | 1130 | 1105 | 1078 | 1090 |