INGLEWOOD, Calif. — Kansas City Chiefs had no team stakes in Sunday’s 13-12 road win against the Los Angeles Chargers after they locked in the AFC’s No. 3 playoff seed last week. So the biggest intrigue from Sunday’s contest was looking out for a pair of KC milestones. And Chris Jones delivered in dramatic fashion. The Chiefs defensive tackle — needing a half-sack to trigger a $1.25 million incentive in his contract for 10 sacks — took down Chargers quarterback Easton Stick with 4:52 left in the third quarter, earning his payday before getting swarmed by teammates on the sideline. Jones was a …