[4][5] As a true freshman at Arizona State in 2017, Benjamin would play in 10 games, totaling 23 carries for 142 yards and a touchdown.

Benjamin entered the 2021 season third on the Cardinals depth chart behind Chase Edmonds and James Conner.

Filling in for Edmonds in Week 9, Benjamin scored his first NFL rushing touchdown against the San Francisco 49ers.

On October 2, 2022, during the team's Week 4 game against the Carolina Panthers, Benjamin assumed kickoff duties for the Cardinals in the second half as Matt Prater dealt with hip soreness.

[19] On August 5, 2023, it was announced that Benjamin had suffered a ruptured Achilles tendon in practice and would miss the entirety of the 2023 season.