 With Aron yet to make a start under Nouri at the end of October, assistant coach Markus Feldhoff voiced his concerns about his match fitness, which Aron argued was "very near 100%", regarding his recent return from a lengthy injury.After making two substitute appearances in February in defeats against Augsburg and Borussia Mönchengladbach, he did not feature in Werder's following four matches during which the team amassed ten points.Until Nouri's dismissal in October 2017, Aron hardly featured and often did not make the squad playing a total of 80 minutes in seven substitute appearances.