Fehoko signed with the Los Angeles Chargers as an undrafted free agent in 2020. He was waived on September 5, 2020, and signed to the practice squad the next day.[5][6] He was elevated to the active roster on November 28 and December 5 for the team's weeks 12 and 13 games against the Buffalo Bills and New England Patriots, and reverted to the practice squad after each game.[7][8] He signed a reserve/future contract with the Chargers on January 5, 2021.[9]
On August 31, 2021, Fehoko was waived by the Chargers and re-signed to the practice squad the next day.[10][11] He was promoted to the active roster on November 17, 2021.[12]
Fehoko made the Chargers initial 53-man roster in 2022, but was waived on September 12, 2022 and re-signed to the practice squad.[13] He was promoted to the active roster on November 9.[14]
Pittsburgh Steelers
On April 4, 2023, Fehoko signed with the Pittsburgh Steelers.[15] He was waived on August 29, 2023 and re-signed to the practice squad.[16][17] He was promoted to the active roster on September 20.[18] He was waived on November 13, and re-signed to the practice squad.[19]
Fehoko was re-signed on March 8, 2024.[20] He was placed on injured reserve on August 10. He was released with an injury settlement on August 15. he was re-signed to the practice squad on October 22.