Stage: concrete interest. The interested club has formally approached. It would be a lateral move. His ambition is outgrowing the current project. He remains focused on the current job.
He has said it out loud: A bigger club
Mind
Asked the manager for a private conversation
Moderate
Cause
He has unresolved concerns over his contract. His relationship with the manager is steady but tense.
Outlook
Manager intervention may be required if it persists.