“All people’s recognized for a couple of months and simply to be right here with the Celtic strip on once more simply feels superb.
“If you transfer away from residence, you develop up, you study various things. I used to be in Spain for a 12 months, studying a unique language and taking part in in a unique league, so I am positively a unique individual.
“Participant-wise, it is the identical as I at all times say – I am going to attempt to work my hardest, I am going to do my finest for the membership and that is all I can do.”
Tierney had gone on mortgage to Sociedad after falling out of favour below Mikel Arteta amid harm issues and didn’t grow to be a daily starter on his return, and all however 4 of his 20 appearances this season have been in its place.
Whereas within the remaining few months of his contract at Arsenal, Tierney’s return to Celtic Park had been confirmed in February.
This season, Brendan Rodgers’ aspect gained the Scottish Premiership and League Cup, whereas additionally reaching the knockout stage of the Champions League.
The Celtic boss mentioned: “He’s such a gifted, top quality participant and he might be a large addition to our squad.
“We’re so happy to convey such an elite participant again to the membership and I look ahead to working with him once more and the remainder of the squad, as we face the numerous challenges forward at residence and in Europe.”
Tierney arrives amid uncertainty about the way forward for fellow Scotland left-back Greg Taylor, whose contract is ending this summer time.
