The Croatian has enjoyed a fine first season with the Hammers.
Arsenal have won just one of their last eight games in all competitions.
The young defender has agreed a new deal at the club after fighting back from injury.
Arsenal boss Arsene Wenger has given his thoughts on opponents Everton.
The duo were given a difficult night at the Nou Camp by Barcelona's front three in midweek.
The Gunners forward has endured a somewhat disappointing second campaign in England.
West Ham United travel to fierce rivals Chelsea today for a crunch London derby and there's plenty for Slaven Bilic to consider.
Mohamed Elneny has made a big impact at Arsenal.
The West Ham captain was left out in favour of Leicester City's Danny Drinkwater.
The 24-year-old Tottenham Hotspur midfielder dazzled according to several statistics, but do those figures reflect the reality?