Cincinnati Bengals Tupou signed with the
Cincinnati Bengals as an undrafted free agent on May 5, 2017. He was waived on September 2, 2017 and was signed to the practice squad the next day. He was promoted to the active roster on November 11, 2017. He was waived by the Bengals on November 21, 2017 and was signed to the practice squad the next day. He was promoted back to the active roster on December 6, 2017. On November 22, 2018, Tupou was placed on injured reserve after suffering a torn pectoral in practice. Tupou re-signed with the Bengals on May 1, 2020. On August 3, 2020, Tupou announced he would opt out of the 2020 season due to the
COVID-19 pandemic. On March 17, 2022, Tupou re-signed with the Bengals. Tupou recorded his first career sack against the
Miami Dolphins in week 4 of the 2022 season. The sack gave Dolphins quarterback
Tua Tagovailoa a concussion that forced him leave the game.
Baltimore Ravens On May 28, 2024, Tupou signed with the
Baltimore Ravens. He was released on August 27. He re-signed to the practice squad on October 28.
Indianapolis Colts On July 28, 2025, Tupou signed with the
Indianapolis Colts. He was released on August 26 as part of final roster cuts and re-signed to the practice squad the next day. Tupou was released on September 1.
Baltimore Ravens (second stint) On September 24, 2025, Tupou signed with the Baltimore Ravens' practice squad. He was released on October 7 and re-signed to the practice squad one week later. ==Personal life==