Jacobo Mansilla  Jacobo Mansilla (born June 15, 1987 in Castelli) is an Argentine football midfielder, who plays for Gimnasia y Esgrima de Mendoza. Mansilla made his league debut as a substitute against Gimnasia y Esgrima de Jujuy on June 16, 2007 where he came on as a stoppage time substitute in a meaningless last game of the season fixture.