Ladislau "Gioni" Brosovszky was born on 23 March 1951 in Arad, Romania and started to play football in the 1967–68 Divizia B season at local club, Vagonul.

[4][6][7] After another title won in the next season in which he contributed with one goal scored in 30 appearances, he took part in UTA's performance in the 1970–71 European Cup season in which they eliminated Feyenoord who were European champions at that time but got eliminated by Red Star Belgrade in the following round against whom he scored a goal.

[4][6][7][8][9] Brosovszky also played 8 matches in the 1971–72 UEFA Cup campaign, scoring one goal against Austria Salzburg and one against Zagłębie Wałbrzych helping UTA reach the quarter-finals where they were eliminated with 3–1 on aggregate by Tottenham Hotspur who would eventually win the competition.

[4][5][6] Ladislau Brosovszky played three friendly games at international level for Romania, making his debut under coach Gheorghe Ola on 30 January 1972 in a 4–2 away victory in front of Morocco in which he scored a goal.

[2] Brosovszky's father, Antoniu was also a footballer who played for UTA Arad and his daughter, Monica Brosovszky-Boriga is a former basketball player who played 270 games for the Romania women's national basketball team and won the Liga Națională 6 times with BC ICIM Arad and CSM Târgoviște.