Just noticed this elsewhere, a current XI from Rosario, Argentina (pop. 1.1m):
G: Nahuel Guzman (Tigres), 32
RB: Luciano Abecasis (Godoy Cruz), 27
CB: Ezequiel Garay (Valencia), 31
CB: Mateo Musacchio (Milan), 27
LB: Cristian Ansaldi (Torino), 31
CM: Ever Banega (Sevilla), 29
CM: Javier Mascherano (Hebei China Fortune), 33
CM: Angel Di Maria (PSG), 30
RF: Leo Messi (Barcelona), 30
CF: Mauro Icardi (Inter), 25
LF: Ángel Correa (Atlético Madrid), 23
Not bad.