Guido Mainero (born 23 March 1995) is an Argentine professional footballer who plays as a winger for Platense.
[1][4] He made his professional debut on 5 November 2014 during a win over Boca Unidos, which was the first of thirty-two appearances in his opening three seasons.
[7] He made twelve appearances in all competitions whilst scoring two goals; in the league versus Talleres and Rosario Central.
[1] His 100th career appearance arrived on 3 March 2020 in the Copa Libertadores versus Santos; in what was his last match for Defensa due to the COVID-19 pandemic.
[1] He featured for Vélez on 31 October versus Huracán, before departing on loan in November to Chilean team Deportes Iquique.