During World War II Adone Stellin played with Udinese and Padova. He débuted in the Italian Serie A on 12 October 1947, playing with Genova CFC against US Alessandria. He later played from 1948-50 with AS Bari, playing in 58 matches under the renowned Hungarian coach György Sarosi. Stellin played in both matches for Italy at the 1948 Olympics, scoring on a penalty kick in the 9-0 victory against the United States.
|1948 Summer||27||London||Football||Men's Football||Italy||ITA||5T|
|1948 Summer||27||London||Football||Italy||ITA||Final Standings||5T||1948-07-26||1||0||0|
|1948 Summer||27||London||Football||Italy||ITA||Quarter-Finals||Match #2||2||1948-08-05||DEN 5, ITA 3||0|
|1948 Summer||27||London||Football||Italy||ITA||Round One||Match #7||1||1948-08-02||ITA 9, USA 0||1|