Manchester City striker Sergio Aguero believes he is improving as a player under Pep Guardiola 's tutelage this season .
Manchester City striker Sergio Aguero says he was not angry after being left on the bench in Barcelona a fortnight ago .
Manchester City striker Sergio Aguero believes he is improving as a player under Pep Guardiola 's tutelage this season , and says he was not angry after being left on the bench in Barcelona a fortnight ago .