The Oakland Raiders tried out quarterbacks Pat White, Trent Edwards and David Carr, according to a league source.
White last played for the Washington Redskins and tried out for the Buffalo Bills over the weekend.
The Raiders also tried out former Cleveland Browns running back Montario Hardesty and running backs Keiland Williams and Jonathan Grimes.
The Raiders auditioned former New York Giants wide receiver Ramses Barden, former Baltimore Ravens wide receiver LaQuan Williams, tight end Evan Moore, former Tampa Bay Buccaneers third-round cornerback Myron Lewis, former Philadelphia Eagles cornerback Curtis Marsh and defensive backs Marcus Burley and Markelle Martin.
None were immediately signed to a contract.
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Aaron Wilson covers the Ravens for The Baltimore Sun.