Kieran Tierney details the Ronny Delia handshake that sealed Celtic career as he charts incredible trajectory
Celtic 's record transfer fee in a £25m move last summer after the boyhood supporter lifted nine trophies in his beloved Hoops.The 24-year-old FA Cup winner claims he was fourth or even fifth choice in the under-20 side when a dearth of left-backs in the building due to a trip meant he was called into a top team session.Tierney made such an impression on boss Ronny Deila that the Norwegian shook his hand in recognition of a job well done.He told Open Goal podcast : "I was fourth or fifth choice left-back for Celtic's under-20s."We will go back. You go to school third and fourth year at St Ninians.