As a disappointing loan spell away from Manchester United shudders to a halt, could one of the many players facing an uncertain future at the Premier League giants yet be handed an unexpected opportunity in an unexpected role. Five appearances. 95 minutes. Zero goals, zero assists. The numbers tell their own story about how Hannibal Mejbri‘s time at Sevilla has gone. No wonder the Spanish media are writing off Manchester United‘s hopes of making a £14 million sale on the Tunisia international, a permanent move to the La Liga outfit considered ‘impossible’ at this stage. But an injury to one of…