This represents a huge bump over his previous career baseline, and it was massively influenced by two phenomenal games against the New York Giants and Miami Dolphins . He ranks second in overall grade (88.0) and first in coverage grade (90.0) among qualifying cornerbacks.
NFL and PFF player stats for Seattle Seahawks CB Quinton Dunbar on Pro Football Focus.

PFF's Big Board for the 2020 NFL Draft offers three-year player grades, combine measurables, position rankings, and in-depth player analysis for all of the top draft prospects.
Fantasy football rankings and projections for Seattle Seahawks CB Quinton Dunbar

Note Draft Profile data prior to 2020 is not yet available on these pages. Dunbar had a breakout year, stringing together a series of great performances while actually staying healthier than usual. Dunbar has very quietly been one of the NFL’s best cornerbacks to start the 2019 NFL season. Quinton Dunbar continues to garner national praise for his season of work with the Washington Redskins. He also ranks tied for fourth in passer rating allowed (52.6) with three forced incompletions on … Dunbar ended the 2019 regular season with an overall PFF grade of 87.6, the second-highest mark in the NFL last season.