Prop crisis may force Newcastle to play Champions Cup tie with 14 men

• Tighthead troubles raise fears of uncontested scrums• Newcastle are away against Edinburgh on FridayNewcastle are facing the possibility of having to play the majority of Friday night’s European Champions Cup tie against Edinburgh with only 14 men, because of an injury crisis at tighthead prop.They have named their squad to face Edinburgh with David Wilson picked to start at tighthead, despite fitness concerns over the former England international. Trevor Davison, who does have some experience of playing at tighthead, has been named on the bench but he, too, is an injury doubt. Newcastle sai…