Season-final Elo for all four rated units. These are the opponent-strength values every player performance against Ohio Northern is judged with.
| Season | Rush Offense | Pass Offense | Rush Defense | Pass Defense |
|---|---|---|---|---|
| 2025 | 1232 | 1128 | 1205 | 1137 |
| 2024 | 1207 | 1109 | 1181 | 1148 |
| 2023 | 1172 | 1140 | 1176 | 1146 |
| 2022 | 1156 | 1158 | 1192 | 1132 |
| 2021 | 1175 | 1193 | 1187 | 1102 |
| 2020 | 1196 | 1160 | 1176 | 1136 |
| 2019 | 1200 | 1156 | 1178 | 1128 |
| 2018 | 1182 | 1161 | 1165 | 1152 |
| 2017 | 1195 | 1162 | 1176 | 1178 |
| 2016 | 1174 | 1168 | 1172 | 1182 |
| 2015 | 1202 | 1149 | 1150 | 1194 |
| 2014 | 1176 | 1150 | 1152 | 1202 |
| 2013 | 1162 | 1150 | 1130 | 1198 |
| 2012 | 1178 | 1138 | 1167 | 1197 |
| 2011 | 1216 | 1117 | 1160 | 1217 |
| 2010 | 1217 | 1129 | 1176 | 1206 |
| 2009 | 1186 | 1157 | 1190 | 1195 |
| 2008 | 1192 | 1152 | 1192 | 1191 |
| 2007 | 1184 | 1174 | 1176 | 1182 |