Coulter eclipsed the 1,000-yard receiving mark in his junior season, garnering 1,039 over the length of the schedule.[4] In doing so, Coulter was the seventh Rams player to have a 1,000-yard receiving season.[5] He was also named second-team all-Colonial Athletic Association.[6]
After his junior season, Coulter participated in the 2020 NFL Combine, running the 40-yard dash in 4.45 seconds.[7]
Coulter was selected in the fifth round with the 171st overall pick in the 2020 NFL draft by the Houston Texans.[10] He was placed on injured reserve on September 7, 2020.[11] He was designated to return from injured reserve on October 7, and began practicing with the team again.[12] He was activated on October 28.[13] He was waived on August 16, 2021.[14]
Chicago Bears
On August 22, 2021, Coulter signed with the Chicago Bears.[15] He was waived on August 31, 2021, and re-signed to the practice squad the next day.[16][17] He signed a reserve/future contract with the Bears on January 11, 2022.[18]
On August 30, 2022, Coulter was waived by the Bears and signed to the practice squad the next day.[19][20] On October 18, 2022, Coulter was promoted to the Bears' active roster.[21] He was waived on November 1.[22]
Buffalo Bills (first stint)
On November 3, 2022, Coulter was signed to the Buffalo Bills practice squad.[23][24] He was released from the practice squad on December 9, 2022.[25]
Arizona Cardinals
On January 4, 2023, Coulter signed with the Arizona Cardinals' practice squad.[26] He was released three days later on January 7, 2023.[27]
Buffalo Bills (second stint)
On January 9, 2023, Coulter signed a reserve/future contract with the Buffalo Bills.[28] He was released on August 27, 2023.[29]
