Many options for the Ragnow replacement for the Detroit Lions

The Lions certainly have options at Center now that Frank Ragnow has walked away. Will it be the veteran in Graham Glasgow or do they go with the Rookie with massive potential in Tate Ratledge? We talked about it yesterday and continued the chatter today. Also, how good is the Lions D Line and where does it rank by PFF? We also have a Quintez Cephus update. remember him? And a Call of the Day.