Richards signed a contract with the Chargers on Saturday.
Richards has some familiarity with the Chargers from the 2017 season, mostly as a member of the practice squad. The 27-year-old should be a depth option in the secondary as the Chargers are currently healthy on the back end of their defense.
Richards was released from the Buccaneers' practice squad Tuesday.
Richards had joined the team exactly two weeks prior to his release date. The journeyman defensive back will now be free to sign elsewhere.
Richards has been signed to the Buccaneers' practice squad, Greg Auman of The Athletic reports.
Richards has been a journeyman so far in his career, spending this pass season with the Chargers -- mostly as a practice squad member -- before being cut ahead of the regular season.