The window is wide open... and Celtic require serious investment in serious players for the new season
![The window is wide open... and Celtic require serious investment in serious players for the new season](https://i.dailymail.co.uk/1s/2024/07/01/18/86798507-0-image-a-16_1719856316203.jpg)
There is at least one question pertaining to Celtic's forthcoming campaign to which we already know the answer.
There is at least one question pertaining to Celtic's forthcoming campaign to which we already know the answer.