Wide receiver Mike Williams has informed the Los Angeles Chargers that he plans to retire. Wide receiver Mike Williams has informed the Los Angeles Chargers that he plans to retire.

Yahoo Sports is on the road this summer hitting camps across the country, and we're rounding up the news, updates, position battles and more you need to know.

The Los Angeles Chargers have placed veteran receiver Mike Williams on the physically unable to perform list to begin training camp, per Ian Rapoport of NFL Network.

Mike Williams could warn former Chargers teammate Keenan Allen if a Bleacher Report prediction comes to fruition.