Former Manchester City star Martin Demichelis who now plies his trade with La Liga side Malaga in an emotional statement on Monday confirmed he will retire from football at the end of the season.The 36-year-old left Manchester City last summer and joined Espanyol, before starting his second spell at Malaga in January.His final game - if selected - will be Sunday's home match against Real Madrid, who could win La Liga.Demichelis, who can also play in midfield, won 51 caps for Argentina and also played for River Plate and Bayern Munich."Unfortunately this day comes to us all. I've been deliberating it for some time, as I have always been very worried about the end of a professional football career."I am grateful to the profession, and in this case Malaga in particular, because they extended my career as a professional footballer." Demichelis said as quoted on BBC SportsDemichelis rejoined Malaga in January after being released by Espanyol. It is Demichelis' second spell with the Andalusian club, having played for them between 2011 and 2013 after joining from Bayern Munich.The much-travelled defender has also represented Atletico Madrid and Manchester City having started his career at River Plate in his homeland.He won 51 caps for Argentina and played in the finals of the 2014 World Cup and 2015 Copa America, both of which the Albiceleste lost.