Most 1st round QBs fail. But its still, by far, the most likely place to find a franchise QB. Going back to 2000, these are the % of QBs selected who went on to become franchise QBs:

Picks 1-16: 40% (17/43)
Picks 17-32: 19% (3/16)
Rounds 2-4: 5.7% (5/87)
Rounds 5-7: .08% (1/114)

— Tae & Todd Commanders Podcast (@TaeNToddPodcast) April 6, 2021