Who are the big names who either haven't reported or aren't taking full part in practice while seeking a new contract? Are their situations roiling or boiling? Here's your guide.

The San Francisco 49ers opened their first training camp practice on Wednesday, and wide receiver Jauan Jennings was among the players on the field despite ongoing contract uncertainty.

Despite his unhappiness with his contract, San Francisco 49ers wide receiver Jauan Jennings isn't creating a negative situation.