The San Francisco 49ers began their training camp with players showing enthusiasm, including wide receiver Jauan Jennings, who is seeking a contract extension and avoided a holdout.

Jauan Jennings showed but the 49ers’ wide receiver unit got thinner as Jacob Cowing hurt a hamstring at the 49ers’ first ...

Ricky Pearsall nears return from injury as the San Francisco 49ers navigate wide receiver setbacks during training camp.