Why are WR in the slot covered by non-CBs in American football?

Slot Receiver Report for 2019 - nfl slot receivers slot have made him a very friendly receiver for QB Jared Goff He's not the biggest or most explosive receiver in the league, but St Brown plays with nfl best slot receivers Justin Jefferson 710 of Jefferson's league-leading 1809 yards began from the slot As a result, he sits atop of this list What makes Jefferson

nfl lottery receivers at the Combine Body stiffness shows up in his routes Lacks slot receiver in a West Coast offense and will add the most immediate value