Fitzpatrick was drafted by the Tennessee Titans in the fourth round with the 109th overall pick in the 2021 NFL draft.[4] Fitzpatrick signed his four-year rookie contract with Tennessee on May 17, 2021.[5] He was waived on August 31, 2021, and re-signed to the practice squad.[6][7] Fitzpatrick was signed to the active roster on November 13, 2021, following Julio Jones being placed on injured reserve.[8] On November 23, Fitzpatrick scored his first career touchdown against the Houston Texans on an 18-yard reception from Ryan Tannehill.[9]
On August 30, 2022, Fitzpatrick was waived by the Titans and signed to the practice squad the next day.[10][11] His practice squad contract with the team expired after the season on January 7, 2023.
Pittsburgh Steelers
On January 11, 2023, Fitzpatrick signed a reserve/future contract with the Pittsburgh Steelers.[12] He was waived on August 29, 2023, and re-signed to the practice squad.[13][14] He was promoted to the active roster on September 14.[15] He was waived on October 2 and re-signed to the practice squad.[16] He signed a reserve/futures contract on January 17, 2024.[17] He was waived on August 27, 2024.[18]
Los Angeles Chargers
On September 2, 2024, Fitzpatrick was signed to the Los Angeles Chargers practice squad.[19] He was released on December 5.[20] On December 10, the Chargers re–signed Fitzpatrick to their practice squad.[21] He signed a reserve/future contract on January 13, 2025.[22]