Here's the key evidence for offside on Scott McTominay's goal.

Ref holds his left arm aloft, indicating an indirect free kick = restart for offside and not a foul.

Error is how it was displayed in stadiums and on screen. If ref announced his decision it could have been avoided. pic.twitter.com/TcDuIvNLmg

— Dale Johnson (@DaleJohnsonESPN) October 14, 2023