Mason signed a contract with the Chargers on Tuesday, Field Yates of ESPN reports.
The Ravens signed Mason to their practice squad Wednesday.
Baltimore cut Mason from its practice squad Tuesday, Clifton Brown of the Ravens' official site reports.
Mason was signed to the Bears' practice squad Tuesday.
The Ravens released Mason on Tuesday, Mike Garafolo of NFL Network reports.
The Ravens selected Davidson in the fifth round of the 2021 NFL Draft, 184th overall.