After second-round tender, Broncos’ Mike Purcell “not done” proving worth as every-down defensive lineman

(Photo by Eric Lutzens/The Denver Post) DENVER, CO – DECEMBER 29: Denver Broncos nose tackle Mike Purcell (98) gestures to the crowd during the first quarter of the game on Sunday, December 29, 2019 at Empower Field at Mile High. The Denver Broncos hosted the Oakland Raiders for the game. After washing out with six NFL teams, and a stint in the failed AAF, Mike Purcell made the most of his opportunity with the Broncos in 2019. The Denver native made the team out of camp, earned a role on a vulnerable defense in Week 5 and proceeded to cement himself in the lineup at nose tackle.

While the Broncos consider Purcell’s proving round passed — as evidenced by the second-round tender ($3.25…