For the first time since Detroit Lions center Frank Ragnow announced his retirement at 29, coach Dan Campbell spoke with the media. Campbell spoke glowingly of Ragnow's contributions to the team and revealed the decision didn't exactly catch the team off guard.

Lions head coach Dan Campbell paid tribute to former center Frank Ragnow after his surprise retirement from the NFL on Monday.

Dan Campbell lauded Frank Ragnow on Thursday with an emotional tribute days after the Lions center’s shocking retirement at the age of 29. “Frank’s been unbelievable. Teammate, football player, man of the community. He’s done it all,” the Detroit head coach said at a press conference, his voice cracking with emotion.