Wide receiver Mike Williams is retiring, the Chargers confirmed Thursday as the team began camp. Just as a hole opened in the receivers room, the Chargers also signed rookie receiver Tre’ Harris, the team announced, ending the second-round pick’s contract holdout.

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.

For the first four years of Justin Herbert’s career, Mike Williams was a pillar of the Chargers’ receiving corps.