2021 Quarterback Sack Leaders thru week 15 of the NFL season. 1. T.J. Watt – 17.5 QB Sacks 2. Robert Quinn – 16.0 QB Sacks 3t. Nick Bolsa – 15.0 QB Sacks 3t. Miles Garrett – 15.0 QB Sacks 5. Trey Hendrickson – 13.0 QB Sacks 6. Matthew Judon – 12.5 QB Sacks 7. Micah…