Dean Smith attacked the “farcical and pathetic” decision to allow Manchester City's opener to stand as Pep Guardiola's side stretched their unbeaten run.
Rodri put Bernardo Silva through on goal to score in the 79th minute, but only after returning from an offside position to dispossess Tyrone Mings.
But because Mings had controlled the ball, it was deemed a new phase of play and Rodri was not offside, a decision which infuriated Aston Villa boss Smith and saw him red carded for his complaints.
Smith said: "It's farcical. Are we just going to leave players behind the line then? “He was 10 yards offside and come back and tackled our player, it's a pathetic law and a pathetic decision. "I said to the fourth official David Coote 'did you get
Read more on mirror.co.uk