Born in
Santa Fe, Argentina, Marini played professional football from 1987 to 2002, scoring 154 goals. He began his career with the youth side of
Newell's Old Boys. He played senior football for
Instituto,
Central Córdoba,
Argentino de Rosario,
FC Basel,
Nueva Chicago,
Douglas Haig,
Arsenal de Sarandí,
San Martín de San Juan,
Tivoli Calcio,
Fernández Vial. After he retired from playing, Marini became a football coach. He managed
Chiapas and
Pachuca in Mexico, and
Audax Italiano in Chile. He joined Pachuca as manager in August 2010 to replace Guillermo Rivarola and had previously been the manager of Newell's Old Boys. He was the manager of Pachuca for the
2010 FIFA Club World Cup in the
United Arab Emirates. ==Managerial statistics==