At just 29 years old, Frank Ragnow’s retirement announcement stunned many, but for those closest to the Detroit Lions, the surprise wasn’t that he retired -- it was that his battered body had somehow allowed him to perform at an elite level for so long.

Frank Ragnow's Rags Remembered Foundation has raised nearly $200,000 this week from his charity skeet shooting event and individual donations.

Detroit center Frank Ragnow, a four-time Pro Bowl selection who was key to coach Dan Campbell’s Lions revival, has announced his retirement from the NFL.