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.
Reassured by a calm full-time message
Minor
Cause
The team had won, and the manager wanted to reinforce the standards. The message was about confidence as much as performance — his morale had been low.
Outlook
Trend is improving — relationship should keep strengthening.
Settling well into the dressing room
Minor
Cause
A strong training-ground partnership is behind this. The bond between them was already strong, so the morale hit should be limited.