Season-final Elo for all four rated units. These are the opponent-strength values every player performance against Mercer is judged with.
| Season | Rush Offense | Pass Offense | Rush Defense | Pass Defense |
|---|---|---|---|---|
| 2026 | 1306 | 1250 | 1347 | 1147 |
| 2025 | 1286 | 1260 | 1358 | 1146 |
| 2024 | 1249 | 1214 | 1337 | 1174 |
| 2023 | 1235 | 1216 | 1260 | 1212 |
| 2022 | 1258 | 1260 | 1209 | 1200 |
| 2021 | 1225 | 1182 | 1109 | 1166 |
| 2020 | 1184 | 1128 | 1070 | 1140 |
| 2019 | 1181 | 1172 | 1082 | 1108 |
| 2018 | 1206 | 1200 | 1172 | 1092 |
| 2017 | 1240 | 1166 | 1258 | 1074 |
| 2016 | 1286 | 1165 | 1201 | 1041 |
| 2015 | 1312 | 1159 | 1152 | 1121 |
| 2014 | 1265 | 1162 | 1137 | 1143 |
| 2013 | 1240 | 1125 | 1177 | 1128 |