Sanchez three seasons at Arsenal performance has been very grab an eye. Contributed 12 goals, season and he has no alternative to carry the offense of the gunners banner. Before to the premier league, sanchez in Barcelona play also don't lack of bright spots, with barca fans will feel pity to let the Chile international club. Has javier mascherano in an interview with the guardian, talked about the problem, he thinks that Barcelona and Arsenal's tactical system of different...