A big reason why this Premier League league win is such an important psychological moment for Mikel Areteta and Arsenal, is that the Arsenal manager was able to overcome long-time friend and mentor Pep Guardiola. The Manchester City boss, leaving after 10 seasons in charge, has been the reason for so much of Arsenal's recent disappointment. With Arteta now getting the best of his former colleague, the time for sustained success could be now for Arsenal.
