He hit .368 with nine runs and eight RBI in 11 games in the 2005 Baseball World Cup.

He hit .333 in the 2006 COPABE qualifier for the 2008 Olympics, however Panama did not make the cut.

In 10 at-bats during the 2007 Pan American Games, de Leon hit .600.

De Leon has become a manager for Panamanian youth baseball teams.

This biographical article relating to a Panamanian baseball figure is a stub.