A native of American Samoa, he played college football for the Washington State Cougars before signing with the New York Jets as an undrafted free agent in 2018.

[4] Throughout training camp, Luvu competed for a roster spot as a backup linebacker against Lorenzo Mauldin, Dylan Donahue, Josh Martin, and David Bass.

[6][7] On September 8, 2018, the New York Jets promoted him to the active roster after Josh Martin would be inactive for the season-opener due lingering symptoms from a concussion he received during the preseason.

[8] Head coach Todd Bowles named Luvu the primary backup outside linebacker behind Brandon Copeland and Jordan Jenkins.

[9] After the game, the Jets announced their decision to fire head coach Todd Bowles and his staff, including defensive coordinator Kacy Rodgers.

On January 11, 2019, the New York Jets announced their decision to hire Adam Gase as their new head coach after he was fired by the Miami Dolphins two weeks prior.

In training camp, Luvu competed against Brandon Copeland, Jordan Jenkins, Jachai Polite, Harvey Langi, and Tarell Basham for a role as a starting outside linebackers.

Defensive coordinator Gregg Williams named Luvu a backup outside linebacker, behind starters Jordan Jenkins and Harvey Langi, to kickoff the regular season.

Throughout training camp, Luvu competed against Harvey Langi, Tarrell Basham, Jabari Zuniga, and Bryce Huff to be a starting outside linebacker.

[13] Defensive coordinator Gregg Williams named Luvu a backup outside linebacker to start the season, behind Jordan Jenkins and Tarell Basham.

[18] During training camp, Luvu competed for a roster spot as a backup linebacker against Morgan Fox, Marquis Haynes, and Yetur Gross-Matos.

Head coach Matt Rhule named Luvu the primary backup outside linebacker behind starters Hassan Reddick and Shaq Thompson after performing well throughout the preseason.

[20] During training camp, Luvu competed against Cory Littleton to be the starting strongside linebacker after the role was left vacant after Hassan Reddick departed in free agency.

Luvu intercepted a pass by Cardinals' quarterback Kyler Murray, that was intended for wide receiver Marquise Brown, and returned it for a 33-yard touchdown in the second quarter.