- An MRI revealed that LT Jake Matthews has no significant damage to his ankle and he has a good chance to play in Week 2. (Ian Rapoport)
- CB Mike Harris worked out on Monday for Seattle. (Aaron Wilson)
- Seahawks waived G David Arkin and S Josh Aubrey from their practice squad.
- Seahawks signed G Nate Isles and S Terrance Parks to their practice squad.