Demichelis was previously in charge of Mallorca, which was relegated from La Liga last season

Martin Demichelis has been with

After Sergio Aguero put defending champion Manchester City in front in the first half, Arsenal staged a fight-back after the break inspired by Jack Wilshere. The midfielder clipped an equaliser past goalkeeper Joe Hart before setting up Alexis Sanchez for a volley in the 74th minute.

The 32-year-old Argentine centre-back, who joined Man City from Atletico Madrid, sustained a knee injury during a training session.

The 32-year-old Argentina international is renewing his ties with City's Chilean manager Manuel Pellegrini, the pair having worked together at both River Plate and Malaga.