Rookie CBs ranked by passer rating allowed so far in preseason: #Chargers Eric Rogers (0.0) #Bears Jeremiah Walker (39.6) #Chargers Nikko Reed (39.8) #Texans Jaylon Smith (46.3) #Ravens Marquise Robinson (50.3) #Vikings Zemaiah Vaughn (51.0) #Titans Marcus Harris (57.1) #Ravens Keyon Martin (66.0) #Patriots Kobee Minor (69.7) #Bucs Jacob Parrish (70.5) … #Broncos Jahdae Barron (79.2) #Saints Quincy Riley (91.7) #Chiefs Nohl Williams (100.0) #Cardinals Denzel Burke (110.0)