On September 13, 2021, Hobbs started in his professional regular season debut and made two solo tackles 33-27 loss against the Philadelphia Eagles.

On December 5, 2021, Hobbs recorded nine combined tackles (four solo) and made his first cavreer interception on a pass thrown by Taylor Heinicke to wide receiver Terry McLaurin in the Raiders' 15–17 loss against the Washington Football Team.

He finished his rookie season with a total of 74 combined tackles (51 solo), three pass deflections, one sack, and one interception in 16 games and nine starts.

[10] The Las Vegas Raiders finished the 2021 NFL season second in the AFC West with a 10–7 record and clinched a Wildcard spot.

On January 31, 2022, the Las Vegas Raiders hired former New England Patriots' offensive coordinator Josh McDaniels as their new head coach.

The Raiders' new defensive coordinator Patrick Graham named Hobbs and Rock Ya-Sin as the starting cornerbacks to begin the season.

On October 10, 2022, Hobbs made nine combined tackles (six solo) before exiting in the third quarter of a 29–30 loss at the Kansas City Chiefs due to an injury.

[11] On December 3, 2022, the Las Vegas Raiders activated Hobbs from injured reserve after he missed six consecutive games (Weeks 6–12).

On September 10, 2023, Hobbs started in the Las Vegas Raiders' season-opener at the Denver Broncos and collected a season-high 12 combined tackles (eight solo) during a 17–16 win.