Ben Roethlisberger was his quarterback from 2007-2021. How much quarterback developing was he supposed to be doing for 15 seasons? The thing about having a top 25% quarterback is that there’s eight spots to occupy, Ben R. spent almost the entirety of his career in it, and even a casual observer of today’s NFL could give you four of them with minimal effort (Mahomes, Burrow, Jackson, Allen).