Martinovici was born on 19 April 1940 in
Băilești, Romania and began playing football in 1954 at local club Metalul. The team was relegated at the end of his
first season. On 12 December 1971, he made his last Divizia A appearance in Craiova's 2–0 home win over
Farul Constanța, totaling 142 matches with 13 goals in the competition. In 1972 he joined
Minerul Motru in
Divizia C, helping them gain promotion to the second league after one year. Subsequently, Martinovici ended his career after playing 12 games during the
1973–74 Divizia B season. ==International career==