Thomas Harper holds the SS · Depth spot in Detroit Lions’s safety room. Where he sits among the room’s front-line roles:

Thomas Harper played 12 games in 2025 with a 59% snap share.

Thomas Harper is a safety who stands 5'10" and weighs 195 pounds. He attended Karns High School in Tennessee before playing four seasons at Oklahoma State (2019-22) and one season at Notre Dame (2023), totaling 53 college games with 133 tackles and two interceptions. The Chargers signed him as an undrafted free agent in 2024. Harper has spent time with the Raiders and Chargers before joining the Lions, appearing in 15 games in his initial NFL season with 18 tackles, one interception and two pass defenses. In 2025, he recorded one interception and five passes defended for Detroit.

Raiders2024

Lions2025 — present

CollegeNotre Dame; Oklahoma StateAcquiredAcquired from Los Angeles Chargers · drafted thereHometownKnoxville, TN