Between 1962 and 1967, Gugleta spent five seasons with OFK Beograd, amassing over 100 appearances in the Yugoslav First League.
[1] After a short stint at Olimpija Ljubljana, Gugleta rejoined OFK Beograd.
[2] At international level, Gugleta was capped eight times for Yugoslavia from 1965 to 1966, scoring two goals.
[4] During his managerial career, Gugleta served as manager of numerous clubs in many Middle Eastern and North African countries, including Tunisia, Kuwait, United Arab Emirates, Qatar, and Libya.
He was also manager of Rad and led them to a fourth-place finish in the 1988–89 Yugoslav First League, qualifying for European football for the first time in club history.