Season-final Elo for all four rated units. These are the opponent-strength values every player performance against Butler is judged with.
| Season | Rush Offense | Pass Offense | Rush Defense | Pass Defense |
|---|---|---|---|---|
| 2026 | 1285 | 1098 | 1129 | 1116 |
| 2025 | 1264 | 1106 | 1109 | 1106 |
| 2024 | 1246 | 1120 | 1117 | 1110 |
| 2023 | 1219 | 1083 | 1109 | 1102 |
| 2022 | 1160 | 1108 | 1080 | 1082 |
| 2021 | 1142 | 1096 | 1062 | 1065 |
| 2020 | 1127 | 1104 | 1112 | 1072 |
| 2019 | 1165 | 1100 | 1148 | 1072 |
| 2018 | 1170 | 1159 | 1198 | 1064 |
| 2017 | 1184 | 1134 | 1281 | 1091 |
| 2016 | 1182 | 1144 | 1272 | 1054 |
| 2015 | 1164 | 1170 | 1258 | 1076 |
| 2014 | 1172 | 1130 | 1229 | 1082 |
| 2013 | 1218 | 1166 | 1202 | 1096 |
| 2012 | 1156 | 1135 | 1160 | 1146 |
| 2011 | 1156 | 1116 | 1184 | 1162 |
| 2010 | 1149 | 1120 | 1166 | 1178 |
| 2009 | 1142 | 1126 | 1162 | 1186 |
| 2008 | 1120 | 1122 | 1142 | 1168 |
| 2007 | 1119 | 1112 | 1130 | 1170 |
| 2006 | 1106 | 1118 | 1142 | 1174 |
| 2005 | 1132 | 1139 | 1149 | 1172 |
| 2004 | 1147 | 1148 | 1162 | 1172 |