Any NFL team thinking about doling out millions of dollars to New England Patriots defensive end Trey Flowers in free agency evaluates his pass-rushing ability far beyond just the sack total (7.5) he posted in 2018.
That's why we're looking at free-agent pass-rushers and offensive linemen through the lens of pass rush win rate (PRWR) and pass block win rate (PBWR), which objectively measure players performances' on most pass plays rather than just the handful that result in sacks. You can read all about how this new metric works here, but the gist is this: If a defender beats his blocker within 2.