Leonardo Madelón
Leonardo Carol Madelón (born 25 January 1963) is an Argentine football manager and former player who played as a midfielder. He is the current manager of Arsenal de Sarandí. Career. Madelón played club football for San Lorenzo, Unión de Santa Fe and Rosario Central between 1982 and 1993. Coaching career. In 1997, he started his managerial career with Colegiales in the lower leagues of Argentine football. He then had a spell with El Porvenir before returning to his former club Unión de Santa Fe in 2001. He then had an unsuccessful spell in charge of Nueva Chicago in  2004. He returned to management in 2006, and lead Olimpo to both Apertura and Clausura championships in the Primera B Nacional (second division) 2006–07 season, gaining automatic promotion to the Primera División. In 2007, he returned to his former club Rosario Central, and in 2008 he took over as manager of Gimnasia y Esgrima La Plata. On 2 December 2009, the coach has quit Gimnasia and was replaced by Pablo Fernández. In 2010, Madelón coached Rosario Central again, but could not help the team avoid relegation. For the 2010 Apertura, Madelón replaced Hugo Tocalli as Quilmes manager.