Isaiah Mallory came on to the scene in 2016 and ran for 1,083 yards as a sophomore setting the then-single season record. For his career, he ran 2,476 yards and scored 24 touchdowns with both marks putting him second and third, respectively. He holds the record for most rush yards in a game with 236 vs. East Central in 2016. Furthermore, he is the only player in OBU history to rush for more than 170 yards in three different games. 
Mallory finished his career with First- and Second-Team All-GAC accolades (2016 & 2017 respectively) and was a First-Team NCCAA All-American in 2016.