Childish and spiteful Mourinho-Wenger rivalry actually isn't that amusing

The Arsenal and Chelsea managers have no time for each other, but they need to make sure their bitter feud does not cross the line, writes Greg Stobart.

Arsenal drew first blood ahead of the new season with its Community Shield triumph over Chelsea on Sunday, but the brutal war of words between Arsene Wenger and Jose Mourinho shows no sign of abating.

It is petty and it is childish, yet the obvious hatred between the two managers makes their feud oddly compelling.

The Premier League has built much of its popularity around the stories behind the action on the pitch and Wenger has often been involved: his personal spats with Sir Alex Ferguson, Arsenal's great rivalry with Manchester United, and…