49ers vs Lions Roster Preview: It'll be a battle of the trenches ninersnation.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from ninersnation.com Daily Mail and Mail on Sunday newspapers.
The Detroit Lions signed tight end Zach Ertz and defensive lineman Tyson Alualu from the practice squad on Wednesday, placing tight end Brock Wright on injured reserve with a broken forearm.Lions h