[4][5][6][7][8][9][10][11] He was seen by Rapid București's coach, Valentin Stănescu who brought him at the team from Giulești, giving him his Divizia A debut on 8 May 1966 in a 2–1 home loss against Siderurgistul Galați.

[4][13] In the following years, he would go on to win two Cupa României in 1971–72 and 1974–75 editions but played in only one of the finals, the one from 1972 when under the guidance of coach Bazil Marian he kept a clean sheet in the 2–0 over Jiul Petroșani.

[3][4][6][7][8][9][18][25] Rică Răducanu played 56 games for Romania in which he conceded 54 goals, making his debut under coach Angelo Niculescu on 25 June 1967 in a 1–0 home loss against Italy at the Euro 1968 qualifiers.

[1][4][26] He played four games at the successful 1970 World Cup qualifiers, being used by Niculescu in the 3–2 loss against Brazil from the final tournament when he replaced Stere Adamache in the 29th minute and conceded a goal from Pelé.

[31] Folk singer, Victor Socaciu composed a song dedicated to him called Portar sub Podul Grant (Goalkeeper under the Grant Bridge) and a book about him was written by Sorin Satmari called Rică Răducanu sau prea mare pentru un careu atât de mic (Rică Răducanu or too big for such a small penalty box).