[1][3] After one season, Dragnea left FC Constanța in order to return at Dinamo where he won three consecutive Divizia A titles from 1982 until 1984, at the first he contributed under the guidance of coach Valentin Stănescu with seven goals scored in 23 matches, in the second he played 30 games and netted seven once again and in the third he made 29 appearances and scored a personal record of 15 goals, at both working with coach Nicolae Dumitru.
[1][3][4] He also won three Cupa României with The Red Dogs, in the first one he did not play in the final with FC Baia Mare, at the second, coach Dumitru used him the whole match in the 2–1 over rivals Steaua București and at the one from 1986, under the guidance of coach Mircea Lucescu he played all the minutes in the 1–0 victory with Steaua who had recently just won the European Cup.
[6] Dragnea made some notable performances with Dinamo in European competitions as helping it eliminate Inter Milan in the 1981–82 UEFA Cup and appearing in eight matches in which he scored one goal against Kuusysi Lahti in the 1983–84 European Cup season, as the club eliminated title holders Hamburg in the campaign, reaching the semi-finals where the campaign ended in front of Liverpool.
[1][3][8] He ended his career by playing one season for Rapid București, making his last Divizia A appearance on 16 June 1991 in a 1–0 loss in front of Petrolul Ploiești, having a total of 405 matches with 85 goals scored in the competition, also he gained a total of 28 appearances in which he scored three goals in European competitions.
[1][3] Marin Dragnea played five games at international level for Romania, making his debut when coach Mircea Lucescu used him as a starter in a 1–1 with Spain at the Euro 1984 final tournament.