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 | 1174 | 1068 | 1146 | 1076 |
| 2024 | 1148 | 1048 | 1121 | 1088 |
| 2023 | 1112 | 1079 | 1116 | 1085 |
| 2022 | 1096 | 1096 | 1130 | 1070 |
| 2021 | 1114 | 1131 | 1125 | 1039 |
| 2020 | 1135 | 1097 | 1114 | 1073 |
| 2019 | 1138 | 1093 | 1116 | 1064 |
| 2018 | 1118 | 1096 | 1102 | 1088 |
| 2017 | 1130 | 1096 | 1113 | 1112 |
| 2016 | 1108 | 1100 | 1108 | 1115 |
| 2015 | 1135 | 1078 | 1086 | 1124 |
| 2014 | 1106 | 1078 | 1085 | 1129 |
| 2013 | 1090 | 1075 | 1060 | 1123 |
| 2012 | 1104 | 1058 | 1092 | 1118 |
| 2011 | 1137 | 1034 | 1082 | 1134 |
| 2010 | 1134 | 1042 | 1094 | 1119 |
| 2009 | 1092 | 1062 | 1094 | 1100 |
| 2008 | 1096 | 1058 | 1096 | 1095 |
| 2007 | 1086 | 1076 | 1077 | 1083 |