Football is a terrifically simple game that can be overcomplicated at times, and it really looks like Celtic need to go back to basics when it comes to defending set-pieces.
It would be a start to simply have every player pick a man and just mark them as the ball comes in, and it might prevent gifts like this being conceded:
NotMeladroit: Aberdeen 1-0 Celtic – Lewis Ferguson 17′ from Video_Mirror_Bot
Pictures from Celtic TV
It’s nothing new from what we’ve seen from the team this season so it’s not a great surprise, but it simply has to be fixed next season.