Valoaga (6-6, 275) originally signed with the Detroit Lions as an undrafted rookie free agent on May 12, 2017. As a rookie in 2017, he appeared in nine games and registered five tackles and one sack prior to being waived from the team on November 25, 2017. On November 29, 2017, he was signed to Detroit’s practice squad where he spent the remainder of the season. After signing a Reserve/Future contract with the Lions on January 1, 2018, Valoaga spent training camp with the team and was later waived on August 31, 2018. He then signed to the Miami Dolphins practice squad on September 26, 2018, where he spent the remainder of the season. After signing a Reserve/Future contract with the Dolphins on January 1, 2019, he was waived on May 2.
A 24-year-old native of Oxnard, CA, Valoaga attended the University of Nevada, Las Vegas where he appeared in 39 games and registered 88 tackles, nine sacks, seven passes defensed, two fumble recoveries and one forced fumble.