The Broncos are treating Sunday’s regular-season finale as a postseason game, even if the opposition views it differently. Denver needs a win over the Chiefs to secure its first playoff berth in eight years. And despite Kansas City’s plan to play mostly backups in Week 18’s matchup, the Broncos are not walking into Empower Field at Mile High Stadium expecting an easy win. “We don’t care,” wide receiver Courtland Sutton said.