During his time at Dinamo he played alongside other club greats such as Franjo Wölfl, Zvonimir Cimermančić, Željko Čajkovski, Ivica Horvat, Ratko Kacian and Ivan Jazbinšek.
After retiring from active playing in 1948 he managed a series of lower-tier clubs around Croatia and Yugoslavia, and in the early 1960s he went abroad and had managing stints at Fenerbahçe in Turkey and AEK Athens in Greece.
His international career in Yugoslavia lasted from 1931 to 1939 during which he was capped 23 times, scoring four goals.
Just before World War II he played four matches for the Banovina of Croatia team, which was a province within the Kingdom of Yugoslavia.
With the establishment of the wartime Independent State of Croatia in 1941, which was allied with Axis powers, Kokotović also played for its national team, earning 12 caps and scoring 2 goals in friendlies against other Axis national teams.