[4][5] He helped The Military Men win The Double in the 1975–76 season, contributing with 17 goals in the 31 Divizia A matches he was used by coach Emerich Jenei who also used him until the 63rd minute when he replaced him with Viorel Năstase in the 1–0 victory against CSU Galați from the 1976 Cupa României final.

[4][5][7][9] Răducanu also played 11 matches in which he scored 5 goals in European competitions for Steaua and in the 6–0 victory against Young Boys from the 1979–80 European Cup Winners' Cup, Răducanu scored one of his most beautiful goals after showing his dribbling abilities in front of Young Boys' defense, the Swiss goalkeeper, Walter Eichenberger saying in an interview years later after that match:"He humiliated us and laughed at us".

[6][15][16][19] In order to have his services, Borussia Dortmund paid half a million deutschmarks to the Hannover club, and Răducanu made his debut in Bundesliga on 20 August 1982 under coach Karl-Heinz Feldkamp in a 1–1 against VfB Stuttgart.

[3] Răducanu played 18 games and scored 3 goals for Romania, making his debut on 13 May 1979 when coach Florin Halagian sent him on the field in the 65th minute in order to replace Constantin Stan in a 1–1 against Cyprus at the Euro 1980 qualifiers.

[1] Marcel Răducanu played four games at the 1982 World Cup qualifiers, including a 2–1 victory against England in which he opened the score.