Not that PFF Grades are everything, but they do look at things though a different lens. 3 Weeks is a small sample size as well.
Baker Mayfield 64.4
Sam Darnold 54.4
Josh Allen 80.8
Kyler Murray 72.7
Daniel Jones 77.1
Dwayne Haskins 36.2
Drew Lock 42.7
Joe Burrow 76.1
Justin Herbert 67.1