Eddie Jones expects new recruit Paul Gustard to add bite to England defence

• Saracens defence coach will begin England work at end of January• Jones wants Gustard to replicate his achievements at SaracensEddie Jones has challenged his latest coaching addition, Paul Gustard, to add more bite to England’s defence when he starts work at the end of January. Gustard has now been officially confirmed in the role and will conclude his 10-year association with Saracens in six weeks.Unlike Steve Borthwick, whose arrival is the subject of a continuing contractual dispute between the Rugby Football Union and Bristol, the 39-year-old Gustard is moving to Twickenham with the bles…