Fehoko signed with theLos Angeles Chargers as an undrafted free agent in 2020. He was waived on September 5, 2020, and signed to thepractice squad the next day.[6][7] Fehoko was elevated to the active roster on November 28 for the team's week 12 game against theBuffalo Bills,[8] during which he made his NFL debut.[9] He also played in the team's week 13 game against theNew England Patriots, and reverted to the practice squad after both game.[10] He signed a reserve/future contract with the Chargers on January 5, 2021.[11]
On August 31, 2021, Fehoko was waived by the Chargers and re-signed to the practice squad the next day.[12][13] He was promoted to the active roster on November 17, 2021.[14] He made his first career NFL start on November 21, against thePittsburgh Steelers.[15]
Fehoko made the Chargers initial 53-man roster in 2022, but was waived on September 12, 2022 and re-signed to the practice squad.[16] He was promoted to the active roster on November 9.[17]
On April 4, 2023, Fehoko signed with thePittsburgh Steelers.[18] He was waived on August 29, and re-signed to the team's practice squad.[19][20] He was promoted to the active roster on September 20.[21] He was waived on November 13, and re-signed to the practice squad.[22]
Fehoko was re-signed on March 8, 2024.[23] He was placed on injured reserve on August 10,[24] and was released with an injury settlement on August 15.[25] He was re-signed to the practice squad on October 22.[26]
On August 2, 2025, Fehoko re-signed with the Steelers.[27] He was released on August 18.
He is the son of Vili and Linda Fehoko, and performed theHaka, a traditional Māori dance, with family members prior to LSU football games and onHard Knocks.[28][29]