He could not see the match through and had to make a tactical change to return to 4 man defensive setup. (justarsenal.com)
This is exactly what happens when you have a loose defensive setup. (justarsenal.com)
And if this more defensive setup allows Alexis to act as a number 10 as well as roaming the pitch at will, then surely that can't be a bad thing for Arsenal? (justarsenal.com)