As a true freshman at USC in 2018, Mauga appeared in all 12 games and posted 14 tackles with two pass breakups.[6] He saw his first time as a starter in 2019, posting in his first start 13 tackles, a sack, an interception and a forced fumble.[7] He finished the year with eight starts and compiled 59 tackles, seven TFLs, three sacks and two pass breakups.[6] He tallied 41 tackles, three TFLs, a sack and an interception in the COVID-19-impacted 2020 season.[6] In his final year, Mauga played 12 games and finished with 91 tackles, 5.5 TFLs, a sack and an interception.[8] He declared for the National Football League Draft after the 2021 season, ending his stint at USC with 206 tackles, six pass breakups, five sacks and three interceptions.[9]
On December 13, 2022, Mauga was signed to the practice squad of the Las Vegas Raiders.[15] He was signed to a reserve/future contract on January 9, 2023.[16] He was released on August 1, but later re-signed on August 12.[17][18] He was released at the final roster cuts in 2023 and subsequently re-signed to the practice squad.[19][20] He was signed to the active roster on September 30 and later made his NFL debut in the team's Week 4 game against the Los Angeles Chargers, becoming the third alumni of his high school to ever make it to the NFL.[21][22] He was placed on injured reserve on October 30, and activated on December 9, but placed back on IR three days later with a knee injury.[23] Mauga finished the 2023 season with five games played and three tackles.[1]
