Career
He was among the best defenders in the Yugoslav First League during the 1920s however he was overshadowed by the players from the major Yugoslav clubs. Born in Sereg, Kingdom of Hungary, Austro-Hungarian Empire, he started playing in Szeged in Szegedi Alaska. His played his first official match on May 5, 1917. Later he would play with other Yugoslav top-league clubs, SAND Subotica and ŽAlaska Subotica.
He played his last official match in 1939 on the day of his anniversary.
Miloš Beleslin played 8 matches for the Yugoslav national team having scored once. He received a call to represent Yugoslavia at the 1930 Fédération internationale de football association World Cup however as he was playing in Subotica, his representative subassociation, the Subotica Football Subassociation, boycotted the national team, not allowing him to travel to Uruguay.