As 6 p.m. has passed, the free agency market is now officially open and unrestricted free agents can finally sign contracts. Quincy Black, Davin Joseph and Jeremy Trueblood all officially signed their contracts. Michael Koenen has not signed his contract yet, although that should not pose a problem.
These four veteran unrestricted free agents cannot practice with the team until the new CBA is ratified by the NFLPA, which should be done by August 4. Until that time, they'll have to wait and do nothing.
In addition, the Buccaneers reported that Connor Barth, Micheal Spurlock, Rudy Carpenter and Elbert Mack all signed their tenders, and they are expecting more players to sign their tenders soon. In addition to the four already named, the Buccaneers had extended tenders to restricted free agents Corey Lynch, James Lee and Frank Okam. They presumably also extended offers to exclusive-rights free agents Michael Bennett and Demar Dotson, as Rudy Carpenter was an exclusive-rights free agent.
Of these players, only James Lee, the projected starter at right tackle, is likely to earn a longer-term contract extension.