Five Premier League goals have gone in the past week – three goals by Sergio Aguero, two by Romelu Lukaku, and one by Wayne Rooney.
Read moreIt is the latest tally of the week, following on from an 8-0 hammering of Everton on Saturday.
Arsenal had already conceded three goals in their previous six Premier League games – and that was in their last outing of the season, when they were beaten 1-0 by Chelsea.
Liverpool, meanwhile, have lost three of their past four Premier League fixtures – a run which has seen them win just one of their last five.
Crystal Palace have won their past two Premier League meetings with Arsenal, scoring two in their past three meetings, but have failed to score in their two previous games at the Emirates.
Everton’s first win in eight matches – a 2-0 win at Southampton – came when Romelo Lukaku scored his 100th Premier League goal.