|Date of birth||1 October 1912|
|Place of birth||Sušak, Austro-Hungary|
|Date of death||8 January 1943(aged 30)|
|Place of death||Belgrade, Kingdom of Yugoslavia|
|1940–1941||SK Bata Borovo|
|1933||Kingdom of Yugoslavia||1||(0)|
|* Senior club appearances and goals counted for the domestic league only|
He was famous as being a big, strong forward, with great ball control, excellent shot and an impeccable header. Slavko started playing as right midfielder in his hometown club NK Orijent and spend some time playing in Zagreb's club 1.HŠK Građanski but, his best years were spent playing in BSK Beograd, from 1932 until 1940, where he won three national Championships. He played one season for SK Bata Borovo in 1940, and ended his career having already health problems in Belgrade's BASK and SK Jedinstvo, where he played until 1943. He died in Belgrade during World War II, at age 30, from tuberculosis, in great poverty and hunger.
Beside having played three matches for the Belgrade city selection, he played one match for the Yugoslavia national football team. It was in Warsaw on 10 September 1933 against Poland ( 3–4 loss ) and he played as right midfielder.