Celtic have produced few players straight from Lennoxtown that have gone on to enjoy the success Kieran Tierney has in elite football. Emerging under Ronny Deila, the boyhood Hoops supporter went on to rack up 170 appearances in green and white, registering eight goals and 37 assists across all competitions [Transfermarkt]. Tierney departed Parkhead in 2019 for Arsenal in a £25 million transfer that ranks joint first in Celtic’s all-time player sales list, and he now finds himself on loan at La Liga outfit Real Sociedad, who are firmly in the mix for continental qualification this term. Come t…