3) Sam Jones
The Wasps flanker retired on medical advice in March 2017 after failing to recover fully from an injury sustained at an England training camp. Jones fractured his fibula and suffered significant damage to his ankle while grappling with British and Irish Lion Maro Itoje during a judo session in October 2016.
He sustained the injury while preparing for the autumn internationals – where he was tipped to make his England debut – and was only expected to be out for five months before complications
