What happened: Tyler Shough sits second at 912 yards through three weeks. Matthew Stafford follows at 872, ahead of Jordan Love and Patrick Mahomes in the top five.
Why it matters: Four passers sit within 127 yards of the lead entering Week 4. Shough also paces PFF's big-time throw list with 8.
By the numbers: Bryce Young 939, Tyler Shough 912, Matthew Stafford 872, Jordan Love 843, Patrick Mahomes 812.
What to watch: Week 4 games will determine whether Young holds the yardage lead.