During the 2019 season with eight receptions 153 yards and a touchdown.[2] In the 2020 season, Cephus finished the year with 58 receptions for 547 yards and five touchdowns.[3] During the 2021 season, Cephus tallied 71 receptions for 819 yards and six touchdowns, as for his performance he was named honorable mention all Conference-USA.[4] During the 2022 season, Cephus notched 87 receptions for 985 yards and six touchdowns.[5] In week seven of the 2023 season, Cephus recorded seven receptions for 55 yards and two touchdowns, as he set the Roadrunners career record for reception's as he helped UTSA to a win over UAB.[6] In week thirteen, Cephus hauled in 163 receiving yards and a touchdown, as he set the UTSA all-time receiving yards record in a win over South Florida.[7] In the 2023 Frisco Bowl, Cephus hauled in seven receptions for 103 yards and a touchdown in a win over Marshall. In the game, he set the UTSA single-season receiving yards record, as he was named the offensive MVP of the bowl.[8] Cephus finished the 2023 season with 89 receptions for 1,151 yards and ten touchdowns.[9] For his performance on the 2023 season, Cephus was named first team all Conference-American.[10]
On December 9, 2022, Cephus was arrested for a DWI after having a blood alcohol concentration of 0.15 or higher, twice the legal limit.[18][19] After pleading no contest, Cephus was sentenced to 15 months of probation.[20]