*
Harlequins and England flanker Clifford retires at 27 due to injury
*
Jack Clifford faces anxious wait over shoulder injury
*
England facing No8 crisis as Clifford undergoes scan
*
Clifford called up as England rugby squad wait on Vunipola injury
*
Test rookie Jack Clifford ‘will rise to the occasion’ in the cauldron
*
Haskell and Clifford in fitness race for England's Six Nations opener
*
Abraham, Tinkler, Johnson-Thompson: Sports stars to watch in 2017
*
Clifford set for England recall after Jones watches Quins beat Bath
*
England's Clifford to miss autumn internationals after ankle surgery
*
Jack Clifford determined to rise to challenge set by Eddie Jones
*
Fraser and Clifford go head-to-head in the fight for Robshaw’s shirt
*