Chargers wide receiver Mike Williams, 30, has announced his retirement from the NFL, two days after being placed on the PUP list.

Mike Williams' return to Los Angeles won't happen after all. The veteran wide receiver informed the Chargers that he plans to retire after eight seasons, NFL Network Insider Ian Rapoport reported on Thursday.

Wide receiver Mike Williams has informed the Los Angeles Chargers that he is retiring from the NFL after eight seasons, the team announced on Thursday in the opening day of training camp.