2021 NFL draft preview: Rashawn Slater or Penei Sewell could take Lions' offensive line to new heights

This is the fourth of an eight-part series previewing the Detroit Lions' positional needs and priorities heading into the NFL draft, which is scheduled for April 29-May 1. Today: Offensive line Previously: Quarterbacks | Receivers | Tight ends. Projected starters: Taylor Decker, Frank Ragnow, Jonah Jackson, Tyrell Crosby, Halapoulivaati Vaitai.