Edinburgh Rugby tighthead prop Willem Nel has undergone surgery on a neck injury sustained in his side’s win over Harlequins at Twickenham Stoop on Saturday 14 January.A MRI scan on Wednesday 18 January at Spire Murrayfield Hospital revealed that Nel damaged an intervertebral disc in his neck during a significant collision during the game. Following further assessment, surgery was deemed as an appropriate course of action.Nel will now commence a rehabilitation programme, with a return-to-play date to be determined in due course.