Pasquini began his youth career with Club San Carlos, prior to joining Lanús' system in 2006.[3] In July 2010, Pasquini joined Primera B Metropolitana side Atlanta on loan for two seasons.[3][4] In his first season, 2010–11, he featured six times as Atlanta won the title and promotion to Primera B Nacional for 2011–12. In tier two, he played seventeen times in a season which ended with relegation.[2] He returned to Lanús in June 2012 and subsequently made his professional debut in the Copa Argentina on 17 April 2013 versus Atlético de Rafaela.[2] His Argentine Primera División debut arrived a month later against Tigre.[2]