After spending two years serving a mission for the Church of Jesus Christ of Latter-day SaintsinSouth Korea, Kaufusi played football for BYU for the first time in 2016 and finished his career in 2018. He featured at defensive end for the Cougars, totaling 16 sacks in his career. He was also a member of the basketball team from 2014 to 2017, leading the team in blocked shots as a freshman (with 34) and finishing second as a sophomore (with 42). Notably, Kaufusi helped BYU upset Gonzaga on their own home court three consecutive years, including a 79–71 victory in 2017 in which the Bulldogs entered the game undefeated at 29–0 and ranked #1 in the nation. Kaufusi later helped BYU's football team upset #6 Wisconsin on the road at Camp Randall Stadium during his senior season in 2018.
On April 28, 2019, Kaufusi after going undrafted was signed by the New Orleans Saints.[2] He was waived during final roster cuts on August 30, 2019.[3]
Kaufusi was drafted in the 10th round during phase three in the 2020 XFL Draft by the St. Louis BattleHawks,[4] but did not sign with the league.
On October 15, 2019, Kaufusi was signed to the New York Jets practice squad. He signed a reserve/future contract with the Jets on December 30, 2019.[5]
On September 5, 2020, Kaufusi was waived by the Jets and signed to the practice squad the next day.[6][7] His practice squad contract with the team expired after the season on January 11, 2021.[8]
On January 15, 2021, Kaufusi signed a reserve/futures contract with the San Francisco 49ers.[9] He was waived on August 24, 2021,[10] but was re-signed three days later.[11] He was waived on August 31, 2021, and re-signed to the practice squad the next day.[12][13] He was released on September 8, 2021. He was re-signed to the practice squad on November 11.[14] He was released on December 9.[15]
Kaufusi was drafted in the sixth round by the Tampa Bay Bandits during the first night of the 2022 USFL draft on February 22, 2022.[16] He was placed on injured reserve on June 10, 2022.[17]
Kaufusi and all other Tampa Bay Bandits players were all transferred to the Memphis Showboats after it was announced that the Bandits were taking a hiatus and that the Showboats were joining the league.[18]
