This disallowed Dani Ceballos goal vs Fulham was a very, very controversial call, with VAR ruling that Bukayo Saka was offside in the buildup. The Ceballos offside goal against Fulham came in the 41st minute and it was a margin of millimetres, as can be seen in the offside lines drawn by VAR
Arsenal disallowed offside goal vs Fulham
Saka offside line for Ceballos goal