Gallman reverted to the Seahawks' practice squad Monday, per the NFL's transaction log.
Gallman (coach's decision) has been ruled inactive ahead of Saturday's game against the Chiefs.
Seattle elevated Gallman to the active roster from the practice squad Friday ahead of Saturday's game against Kansas City, John Boyle of the team's official site reports.
Seattle signed Gallman to its practice squad Saturday, Aaron Wilson of ProFootballNetwork.com reports.
The Seahawks cut Gallman from their practice squad Thursday, Aaron Wilson of ProFootballNetwork.com reports.
Gallman signed with the Seahawks practice squad Tuesday, Ian Rapoport of NFL Network reports.
Gallman was cut from the Chiefs' practice squad Tuesday, Aaron Wilson of ProFootballNetwork.com reports.
Kansas City signed Gallman to its practice squad Wednesday, Pete Sweeney of ArrowheadPride.com reports.
The Vikings have claimed Gallman off waivers from the Falcons.
Gallman was released by Atlanta on Saturday.