He made his professional debut on 18 October 2008, coming on as a second half substitute in a 3–3 home draw against Vélez Sársfield for the Primera División championship.
Marcone was later linked to La Liga outfit Celta de Vigo and Major League Soccer's Chicago Fire, but both offers were rejected by Arsenal.
He was linked to a move to La Liga side UD Las Palmas afterwards[7] as well as Club Tijuana in Mexico and Atletico Nacional in Colombia.
After six months in Mexico with Cruz Azul, he signed for Boca Juniors in January 2019, in hopes of getting called up to the Argentina National Football Team for the Conmebol Copa America 2019 tournament.
[16] Born in Argentina, Marcone is of Italian descent,[17] and is a lifelong fan of Argentinian club Independiente[18] Arsenal Lanús Cruz Azul Boca Juniors