In June 2025, Frank Ragnow, a four-time Pro Bowl center for the Detroit Lions, announced his retirement after seven seasons with the team. The decision came amid a series of injuries, including a concussion, groin, foot, knee, pectoral, and even a fractured throat, which had taken a toll on his body. ([nfl.com](https://www.nfl.com/news/frank-ragnow-four-time-pro-bowl-center-coming-out-of-retirement-to-rejoin-lions?utm_source=openai)) However, in November 2025, Ragnow attempted a comeback, expressing a desire to rejoin the Lions for the remainder of the season. The team welcomed his return, moving him from the reserve/retired list to the exempt/commissioner permission list. ([nfl.com](https://www.nfl.com/news/frank-ragnow-four-time-pro-bowl-center-coming-out-of-retirement-to-rejoin-lions?utm_source=openai)) Unfortunately, during the physical examination, a Grade 3 hamstring strain was discovered, preventing his return to the field. The Lions announced that Ragnow would not rejoin the team for the 2025 season due to the injury. ([espn.com](https://www.espn.com/nfl/story/_/id/47138093/center-frank-ragnow-fails-physical-not-rejoin-lions?utm_source=openai)) Reflecting on his retirement and the failed return, Ragnow admitted that he was trying to will himself to play, but his body was telling him otherwise. He expressed that he did not plan on retiring in the middle of the summer and felt a sense of paralysis due to the decision. ([nbcsports.com](https://www.nbcsports.com/nfl/profootballtalk/rumor-mill/news/frank-ragnow-has-closed-the-door-on-an-nfl-return?utm_source=openai)) As of June 2026, Ragnow has officially closed the door on an NFL return, stating that he would not be coming back to play for the Lions. ([nbcsports.com](https://www.nbcsports.com/nfl/profootballtalk/rumor-mill/news/frank-ragnow-has-closed-the-door-on-an-nfl-return?utm_source=openai)) Throughout his career, Ragnow was known for his dedication and leadership on the field. His decision to retire and subsequent attempt to return highlight the physical and emotional challenges athletes face in their careers.