Dunbar started in 38 games for the Houston Cougars and finished his college career with 180 receptions for 2,430 yards and 11 touchdowns.

[11] Dunbar signed with the Hamilton Tiger-Cats of the Canadian Football League on February 10, 2020.

[12] After the CFL canceled the 2020 season due to the COVID-19 pandemic, Dunbar chose to opt-out of his contract with the Tiger-Cats on August 31, 2020.

[14] Dunbar played 12 regular-season games for the Ticats in his first season in the CFL, catching 44 passes for 630 yards with four touchdowns.

[17] On January 22, 2024, Dunbar signed with the Houston Roughnecks of the United Football League (UFL).