Probably a bit of both scheme and personnel, IMO. Guy was largely invisible against Pittsburgh and I haven't seen enough from Perry since his big payday to say that was a wise investment. Interesting stat on Hayward:
Casey Hayward interceptions since the start of 2016: 11
— Zach Kruse (@zachkruse2) November 30, 2017
Interceptions from all #Packers CBs since the start of 2016: 12