Frank Clark wants to help Broncos reignite Chiefs rivalry

ENGLEWOOD, Colo. -- From where Frank Clark has been sitting, running or sacking quarterbacks over the last four years, the Denver Broncos have some work to do before they challenge the Kansas City Chiefs or anyone else in the AFC West.

Which is why he says he’s here.

Clark, who arrived to the Broncos in early June on a one-year deal that includes a guaranteed $5.5 million base salary, is coming off a four-year run with the Chiefs that included four AFC West titles, three AFC championships and two Super Bowl wins. The Broncos haven’t been to the playoffs in seven seasons or beaten the Chiefs since Patrick Mahomes became the starter at quarterback -- a streak that stands at 15 consecutive…