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,

Mike Williams retires from the NFL, closing the book on a Chargers career defined by acrobatic catches, clutch plays, and relentless effort.

Mike Williams is hanging his cleats up for good. The Los Angeles Chargers wide receiver informed the team of his plans to retire from the NFL on Wednesday night, a person close to the situation told USA TODAY Sports' Tyler Dragon.