talkSPORT pundit Alan Brazil has now torn into Arsenal goalkeeper David Raya after his performance against Porto. David Raya could not prevent Arsenal from slumping to a 1-0 defeat in their Champions League clash with Porto on Wednesday evening. The Gunners looked on track to record a respectable 0-0 draw at the Estadio do Dragao. That would have been a perfectly satisfactory result for Mikel Arteta’s side return to north London with ahead of the second-leg of this round of 16 clash. Certainly, Arsenal did not play in Portugal as if they were going all out to win at any point. Arsenal failed t…