On 30 June 2017, Coselli agreed terms with Victoriano Arenas.[4] Nineteen goals arrived in his opening campaign, as they won promotion as champions to Primera C Metropolitana in 2017–18.[4][6][7][8] He followed that up with twelve further goals in tier four, which led to Coselli's departure to Primera B Metropolitana's Deportivo Español in January 2019.[3][4][9][10] He made his debut on 1 February during a goalless draw against Tristán Suárez, with the forward appearing seven more times without netting in a season that concluded with relegation.[3][11][12] Coselli joined Argentino in July 2019, scoring ten times in 2019–20.[4][13]