Career
Giraldi signed with A-League club Adelaide United for the 2006-2007 season, after a four-week stint with the Central Coast Mariners during the 2005-2006 A-League season. He has represented Australia at Under-17 and Under-23 level, while also being part of Empoli"s squad in the Italian Serie A. Giraldi gave up his squad number when Romario arrived in Adelaide so the Brazilian could wear the #11 he had worn all his career. Dez got the #23 he wanted when he first came to the club
He was released by Adelaide United at the end of the 2007–2008 season.
He moved to NSW Premier League club Wollongong Wolves before signing a six-week loan contract with A-League club Sydney Football Club to replace the injured Brendon Santalab. In an interview, Giraldi spoke about depression and anxiety, which he had experienced.