Arsenal and Barcelona are the only teams that will have players in each group during World Cup.
Mohammed Elneny, Nacho Monreal, Laurent Kosciely, Alex Iwobi, Mesut Ozil, Granit Xhaka, Jack Wilshere and David Ospina will play in each group from A to H.
https://twitter.com/ArsenalFanTV/status/976027255855108096