He began working with Rigoberto Medina, a Cuban coach who had trained the 2003 Pan American champion Cristina López.
At the 2007 Pan American Games in Rio de Janeiro, Irusta almost claimed a silver medal in a tight finish against El Salvador's Cristina López in the same program, but was disqualified by the officials for lifting a third time at the final lap.
Jennifer Lopez | Ruy Lopez | Cristina Fernández de Kirchner | Antonio López de Santa Anna | George Lopez | Barry Lopez | Omar Rodríguez-López | Juan López de Padilla | Francisco Solano López | Antonio López García | Oscar Lopez | Mario Lopez | Jesús López-Cobos | Héctor López | Al Lopez | Rosa López | María Cristina Kiehr | Lopez Island | Giuseppe Di Cristina | Eugenio Lopez, Jr. | Cristina Teuscher | Cristina Comencini | Teresa Cristina of the Two Sicilies | Steve Lopez | Miguel López de Legazpi | Maria Cristina of Savoy | Marc López | Lopez | Kamala Lopez | José María López Lledín |