Broncos tough defensive test in Week 8 just got much more difficult

Denver Broncos v San Francisco 49ers | Brooke Sutton/GettyImagesThe Denver Broncos finally saw the much-awaited return and debut of free agent signing Dre Greenlaw this past week against the Giants, and it paid immediate dividends. In limited snaps, he made an immediate impact and showed exactly why the Broncos inked him to a three-year contract. In his Denver debut, he was as excited as anyone for Will Lutz's game-winning field goal as time expired.

Following the kick, Greenlaw chased down referee Brad Allen and "verbally threatened" him, per the NFL. Video from the game shows Allen pushing Broncos linebacker Justin Strnad, which seemed to prompt the reaction from Greenlaw. This, of course,…