Lions' NFL draft medical preview: Oregon safety Dillon Thieneman

[ASFN Admin]

Dillon Thieneman declared for the NFL draft on Jan. 14. Thieneman was a standout safety for the Oregon Ducks last season, and at Purdue prior to that. For a Lions team that has major health issues at the safety position, using a high selection on a safety is very possible.

NEWS: Oregon safety Dillon Thieneman is leaving school early to declare for the NFL Draft, he tells ESPN. He’s one of the NFL Draft’s top safeties and a projected Top 50 pick. Thieneman earned first-team All-Big Ten honors in 2025 and second-team All-American honors. pic.twitter.com/yb4hEPK1lZ

— Pete Thamel (@PeteThamel) January 14, 2026

Thieneman's health history looks clean with a record of reliability. He has played in every game the past three seasons.

• 2025 (Oregon): Played 15 games
• 2024 (Purdue): Played 12 games
• 2023 (Purdue): Played 12 games

There are reports that he had an MCL tear in high school but that would not be a concern at this point.

Thieneman registered 92 tackles, five passes defended, a pair of interceptions and one sack last season with the Ducks. The 6-foot, 205-pound safety is currently rated as ESPN's No. 2 safety in the 2026 NFL draft class.

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This article originally appeared on Lions Wire: Lions' NFL draft medical preview: Oregon safety Dillon Thieneman

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