Known as "Luciano" in Spain he played for Mérida Union Deportivo during the 2007-2008 season.
Luciano finished Segunda B's top scorer, with six goals coming in the last 4 games, including a hat-trick on the final day against Baza.
Luciano's nick-name is the 'battering-ram' and his principal skills are his power, pace, aerial ability and his clinical finishing with with either foot.
Becchio previously played for Boca Juniors, Cuidad de Murcia, Barcelona Athletic (Barcelona's B or reserve team) and Real Mallorca
He was Gary McAllister's fifth signing as manager of Leeds United.
Contrary to initial reports that Luciano signed on a free transfer, Leeds United paid an undisclosed sum for the Argentine.
The day after his signing the Leeds United squad numbers were announced and Becchio was confirmed as a major player at United by being given the squad number 10 for the League One 2008-09 season.