MLive will review each of the Detroit Lions' position groups heading into the start of training camp on July 27. Today: Offensive line. Previously: Running back| Quarterback
Roster locks: OT Taylor Decker, G/C Frank Ragnow, G/C Graham Glasgow, OG T.J. Lang, OT Rick Wagner, OL Tyrell Crosby
Competing: C Wesley Johnson, C Leo Koloamatangi, G Kenny Wiggins, G Joe Dahl, OL Beau Nunn, OL John Montelus, OL Adam Bisnowaty, OT Corey Robinson, OT Brian Mihalik, OT Dan Skipper
Notable departures: C Travis Swanson
Breakdown: The Lions spent big on T.