Robert Lee "Trey" Flowers III[1] (born August 16, 1993) is an American professional football defensive end.

The pick used to draft him was acquired from the Tampa Bay Buccaneers along with tight end Tim Wright in exchange for Logan Mankins.

During a Week 8 41–25 road victory the Buffalo Bills, he recorded his first two NFL sacks on quarterbacks Tyrod Taylor and EJ Manuel while tacking on five tackles.

He also led the team with 2.5 sacks in the Patriots' 34–28 overtime victory in Super Bowl LI over the Atlanta Falcons on February 5, 2017.

[19] These included the crucial second down sack with 3:55 to go in the fourth quarter that helped push the Falcons out of field goal range, allowing the Patriots to tie the game on the following possession, completing their 25-point comeback.

[21] Despite suffering a rib injury Week 12 against the Miami Dolphins, Flowers started 14 games and led the team with 6.5 sacks.

In Week 3 against the Philadelphia Eagles, Flowers recorded a team high eight tackles and sacked Carson Wentz once as the Lions won 27–24.

[26] Three weeks later, Flowers was called for two controversial and costly hands to the face penalties on Monday Night Football in a narrow 22–23 loss to the Green Bay Packers.

[29] In Week 6 against the Jacksonville Jaguars, Flowers recorded a strip sack on Gardner Minshew which was recovered by the Lions during the 34–16 victory.