He previously played for the Edmonton Oilers, Nashville Predators, and San Jose Sharks.
As Benning remained an unsigned draft pick of the Boston Bruins, he opted to sign a two-year, entry-level contract with his hometown club, the Edmonton Oilers, on August 27, 2016.
After sitting as a healthy scratch, he was reassigned to make his professional debut with American Hockey League (AHL) affiliate, the Bakersfield Condors.
After two games with the Condors, Benning was recalled and made his NHL debut against the Toronto Maple Leafs on November 1, 2016.
[9] After seven games in the 2024–25 season, on October 30, 2024, the Sharks traded Benning and two draft picks to the Toronto Maple Leafs, in exchange for Timothy Liljegren.