With the Dallas Cowboys set to open training-camp practices Saturday, here is the first of a position-by-position look at their roster:
CORNERBACKS
Gone from last season: Terrance Mitchell.
New this season: Anthony Brown (sixth-round draft pick), Isaiah Frey (free agent), Dax Swanson (free agent), Arjen Colquhoun (undrafted free agent), Jeremiah McKinnon (undrafted free agent).
Position coach: Joe Baker (fifth season with the Cowboys, first as secondary coach).