The disagreement started because they judged training effort very differently. It played out on the training ground in front of the rest of the squad.
Outlook
Likely to settle unless repeated within the next few weeks.
Criticised in a full-time post-mortem
Minor
Cause
It was a private show of faith after a tough recent run.
Outlook
Manager intervention may be required if it persists.
Asked the manager for a private conversation
Serious
Cause
He has unresolved concerns over his contract. His relationship with the manager is steady but tense. He has already raised this with the manager recently.