Washington bolsters its post-draft haul by adding Silas Redd and eight other players.
Washington released veteran Sav Rocca in March, and now in Robert Malone and Blake Clingan has two young punters poised to compete.
Washington adds the former Cleveland Brown and San Francisco 49er, presumably to back up Robert Griffin III and Kirk Cousins.
Biggers said he didn't receive specifics on his role, but added, "whatever they need, I'll be ready."
Moore, who signed with the Chargers as an undrafted rookie free agent last April, most recently spent time with the Kansas City Chiefs.
The Washington Redskins have informed center Will Montgomery that he will be released, the the ninth-year veteran confirmed Friday morning.
The Redskins terminate the contracts of veteran defensive end Adam Carriker and punter Sav Rocca while also waiving running backs Jawan Jamison and Davin Meggett. The team also cut tight end Richard Quinn.
Washington announced that it has re-signed defensive lineman Chris Baker to ensure that he doesn't hit the free agent market next week.
Worthington missed all of last season after suffering a torn biceps tendon during offseason workouts.
Wide receiver Aldrick Robinson this week signed a one-year extension to remain with the Washington Redskins, a person with knowledge of the situation confirmed.