Racing PositionsColts' Luck 'confident,' optimistic about return3YMike WellsA look at where Vikings' roster, salary cap stand as free agency winds down3YCourtney CroninIf good to go, what will Stefon Diggs' impact be vs. Browns?3YCourtney CroninStefon Diggs unsure whether groin injury will sideline him vs. Ravens3YCourtney CroninVikings' 53-man roster projection includes six wide receivers4YKevin SeifertNot ready for regular season: Vikings' starting offense can't find end zone4YMatthew CollerDalvin Cook flashes potential with Vikings' first team while Latavius Murray rehabs4YMatthew CollerFamiliar formula: Vikings D leads way while OL struggles in win4YMatthew CollerVikings coach Mike Zimmer: WR Moritz Bohringer 'has improved a lot'4YBen GoesslingVikings' remade offensive line leaning on Riley Reiff, Mike Remmers4YBen Goessling