Randy Covitz, writer for the KC Star, takes a look at the AFC West. Denver seems to be the team to beat, but will Peyton Manning’s age start to affect his game at all this year? The Chiefs made strides last season with Alex Smith as the starter. How much do they build on last season? The Raiders appear to still be the bottom feeders. But look out for the dark horse Chargers. Some pundits say they could win the division.