The Kansas City Chiefs are 5-5 following Sunday's Week 11 loss to the AFC West-rival Denver Broncos. Just one year after winning another AFC title and making a run to Super Bowl LIX, Patrick Mahomes and the powerhouse Chiefs are in danger of missing the playoffs. So, what's the problem for this year's iteration of the Chiefs? CBS Sports insider Jonathan Jones posed this question to several anonymous rival coaches and executives around the NFL . Many of these sources referenced an aging roster,