Frank Ragnow’s sudden retirement has transformed the Detroit Lions’ offensive line landscape overnight. What was once considered among the NFL’s elite units now faces a “giant question mark” heading into the 2025 season.

After a few months of clarity and consideration, Frank Ragnow — the All-Pro center who anchored one of the league’s best offensive lines — is calling it quits. In the end, Ragnow, 29, is prioritizing his long-term health. His seven-year career saw him play through injury after injury in an effort to help a losing franchise become a winner.