Detroit's offensive line faces more questions than it has in years, with Frank Ragnow retiring and Kevin Zeitler departing in free agency, leaving a massive hole on the interior.

The Lions are set with the starting OTs, but the depth behind them is still to be determined in Detroit's training camp and preseason games

Come Thursday, we’ll be just two weeks away from watching the Lions in their first preseason game. Detroit's participation in the NFL's annual Hall of Fame Game will give the team a fourth exhibition to evaluate its players during what's sure to be a doozy of a training camp,