This article was originally published on www.si.com/nfl/chargers as Chargers narrow down the list of Mike Williams replacements.

You lose a Mike Williams, that is what it is. He’s not easily replaceable,” offensive coordinator Greg Roman says.

A week into the Los Angeles Chargers' training camp, an unexpected hole has quickly become a coaching staff and front office focal point. It's a void that measures 6-foot-4 and 220 pounds, was previously inhabited by veteran wideout Mike Williams,