Detroit Lions center Frank Ragnow was "probably irreplaceable." Yet the Lions have to find a way to replace him.

Dan Campbell lauded Frank Ragnow on Thursday with an emotional tribute, days after the Lions center's shocking retirement at the age of 29.

Dan Campbell spoke about Frank Ragnow's retirement from the Detroit Lions for the first time Thursday and it didn't take him long to get teary-eyed.

The Lions knew Frank Ragnow was considering retirement for "a while" and were adamant his decision had nothing to do with a new contract.

Then Dan Campbell paused, took a breath, and held them back. That the Detroit Lions coach had to compose himself says everything about the retirement of center Frank Ragnow.

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

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 ...

Detroit Lions head coach Dan Campbell is well known for wearing his heart on his sleeve. In following that trend, he offered an emotional sendoff to Frank Ragnow in his first press conference ...

Dan Campbell lauded Frank Ragnow on Thursday with an emotional tribute days after the Lions center’s shocking retirement at the age of 29.

Detriot Lions head coach Dan Campbell on Thursday discussed the impact of veteran center Frank Ragnow's abrupt retirement.

Detroit Lions center Frank Ragnow announced his retirement, leaving a significant hole in the team's offensive line. Coach Dan Campbell expressed his admiration for Ragnow while acknowledging the ...