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.
Manager broke a promise
Major
Cause
Even an honest tone was resented given the strained relationship.
Asked the manager for a private conversation
Moderate
Cause
He cannot continue in his current tactical role. His relationship with the manager is steady but tense. He has already raised this with the manager recently.