Araújo key factor in Liverpool’s improvement at set pieces, says Iraola

Reds yet to concede set-piece goal in Premier LeagueSzoboszlai and Muñoz could return for Arsenal gameAndoni Iraola has cited Ronald Araújo as a key factor in Liverpool’s improvement at set pieces but admitted Arsenal pose the “biggest challenge” to his team’s defensive record on Sunday.Liverpool have not conceded a set-piece goal in the Premier League and have shipped only one…