The Spaniard was speaking in a post-match press conference after the game which was played in Portugal. He expressed his disappointment in the way his team have been conceding cheap goals in recent games.
Arsenal went ahead in the 22nd minute through William Saliba, the lead did not last for long after Goncalo Inacio equalised in the 34th minute before Paulinho made it 2-1 in the 55th. The visitors got the equalising goal when Hidemasa Morita netted an own goal in the 62nd minute.