How can the Lions create more cap space? Trey Flowers, Jamaal Williams and other contracts to consider - The Athletic
2-time Super Bowl champion Trey Flowers rejoins Patriots
Barnwell's 2019 NFL free-agency and trade grades - Tracking every big signing and move - ESPN
Ideal landing spot for top 50 NFL free agents of 2019
Patriots host Trey Flowers and an ex-Lions LB on free-agent visits – Boston Herald
Barnwell's lessons from 2019 NFL free agency - How much are stars really worth? - ESPN
Patriots lose Flowers, Brown in free agency
NFL free agency news: Detroit Lions signing DE Trey Flowers - Pride Of Detroit
What Does the NFL's Changing Pass-Rusher Value Mean for the 2019 Draft? - The Ringer
Trey Flowers' 3 Best Free Agent Fits - Draft Network