Only 4 qualified QBs are completing under 60% of their passes in 2018:
— Scott Kacsmar (@ScottKacsmar) October 24, 2018
Mayfield (57.8%)
Darnold (56.1%)
Rosen (55.0%)
Allen (54,.0%)
All rookies.
They're also all top 10 in air yards and top 12 in highest dropped pass rate.