Stuart Lancaster ‘not surprised’ at England’s success under Eddie Jones

• Former head coach says Jones deserves the credit for England’s ‘fantastic’ run• Back at Northampton with new club Leinster in European Champions CupStuart Lancaster returns on Friday night to an English club ground in an official capacity for the first time since England were knocked out of last year’s World Cup and he lost his job as head coach in what was euphemistically described at the time as a mutual decision.Now a senior coach with Leinster after taking time out in the new year to study coaching methods in the southern hemisphere, Lancaster will be at Franklin’s Gardens for the Europe…