Wales lose Cory Hill for Six Nations in blow to grand slam hopes

• Adam Beard and Jake Ball are options for Scotland game• Leicester’s Mathew Tait forced to retire by achilles injuryWales have suffered a blow to their hopes of securing the grand slam with news that the lock Cory Hill will miss the remainder of the Six Nations because of an ankle injury. Hill was hurt during Wales’s 21-13 victory against England at the Principality Stadium on Saturday.The Dragons forward scored a crucial try after a stunning 34-phase passage of play. The 27-year-old will not be able to repeat that feat during the remainder of the tournament after the Welsh Rugby Union confir…