There are playoff teams like the Tampa Bay Buccaneers and the Los Angeles Rams. Then there are underrated playoff contenders, examples being the Cleveland Browns, Minnesota Vikings, Denver Broncos, and the New York Giants. Now, why would these four teams be considered under-the-radar playoff contenders? Be sure to check out all of our NFL coverage. Denver BroncosThe Broncos are hyped up as a playoff team; however, they must go through the Kanas City Chiefs and the Los Angeles Chargers. That being said, the Broncos have the roster to at least keep up with those teams with quarterback Russell Wi…