Forbes was selected by the Cleveland Browns in the sixth round with the 189th overall pick in of the 2019 NFL draft.[2] Forbes signed his rookie contract with the Browns on May 2, 2019.[3] Forbes was placed on injured reserve with a knee injury on September 1, 2019.[4] He was activated off injured reserve on November 14, 2019.[5]
On August 31, 2021, Forbes was placed on season-ending injured reserve with a knee injury.[7]
On September 5, 2022, Forbes was waived by the Browns.[8]
Detroit Lions
On September 5, 2022, Forbes was claimed off waivers by the Detroit Lions.[9] He was waived on October 1, 2022.[10]
Cleveland Browns (second stint)
On October 3, 2022, Forbes was claimed off waivers by the Browns.[11] Forbes was placed on the reserve/non-football illness list on August 28, 2023.[12] He was waived on April 15, 2024.[13]