Tom Brady is such an outlier that from 1994-2016, QBs drafted in the 6th round have the highest win percentage, highest playoff win percentage, and the second most playoff wins of all rounds.

https://www.footballoutsiders.com/stat-analysis/2017/nfl-draft-round-round-qb-study-1994-2016

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So it looks like teams should draft more 6th round QBs. Yet another stat where Brady is literally rewriting the record books.