Celtic have delivered a major boost before the return to domestic action with Canada right-back Alistair Johnston signing a contract extension to 2029.The 26-year-old – who says it is an “absolute honour to pull that famous jersey on every week” – has shone since arriving from Montreal FC, making 79 appearances.The defender has become a growing goal threat too, with four of his six Celtic strikes coming this season.How impressed are you by Johnston’s impact in a position where Celtic have had some famous players in years gone by? And how important was it to tie him down on a long-term deal?Share your thoughts., externalSandi Toksvig is joined by Gyles Brandreth, Lulu, Emmanuel Sonubi and Alan DaviesGrab the mic for Queen, Taylor Swift, Bon Jovi, Katy Perry and more…Ben Fogle and Kate Humble are back for the festivities at Longleat Safari ParkFrom micro plastics in our air, soil, and waterways, to the extent of food waste at this time of year© 2024 BBC. The BBC is not responsible for the content of external sites. Read about our approach to external linking.