Following Northampton Saints’ sensational comeback win over Exeter Chiefs in the Gallagher Premiership on Saturday, Brian O’Driscoll believes the England scrum-half debate has been “put to bed” with Alex Mitchell’s performance. Following Northampton Saints’ sensational comeback win over Exeter Chiefs in the Gallagher Premiership on Saturday, Brian O’Driscoll believes the England scrum-half debate has been “put to bed” with Alex Mitchell’s performance.