Marcus Rashford 's future at Manchester United is shrouded in uncertainty, with the 27-year-old having been left out of the last four match-day squads - including the derby day victory over Manchester City, a bold decision by new manager Ruben Amorim that ultimately paid off.

The unspoken rules of football dictate that there is a limit on the time a senior player can spend frozen out of the first team reckoning pending a change in behaviour. What starts as a measure to prompt change gradually calcifies into something more permanent and,

The Portuguese manager's tough stance on Marcus Rashford has not outraged supporters but they must be wondering exactly what the striker has done to be frozen out of the squad