Initially competing in the −57 kg lightweight category, she took part in the 2004 Olympic Games in Athens, where she lost her first match and was eliminated in the repechage round. Later switching to the −63 kg half-middleweight division, she represented Malta again at the 2008 Olympics in Beijing, where she served as the country’s flagbearer but was eliminated in her first bout. Bezzina won a bronze medal at the 2006 Commonwealth Judo Championships and also secured bronze medals at the Games of the Small States of Europe in 2013 (both individual and team events) and 2015 (individual, 63 kg category). She also competed at the 2014 Commonwealth Games and the 2015 European Games, solidifying her status as one of Malta’s most prominent judokas.