He was a member of the Montenegro men's national water polo team at the 2008 Summer Olympics.

The team reached the semifinals, where they were defeated by Hungary before losing again to Serbia in the bronze medal match.

At the 2012 Summer Olympics, he again played for Montenegro, who were again defeated by Serbia in the bronze medal match, losing 11–12.

[1] Brguljan was given the honour to carry the national flag of Montenegro at the opening ceremony of the 2020 Summer Olympics in Tokyo,[2] becoming the 27th water polo player to be a flag bearer at the opening and closing ceremonies of the Olympics.

This biographical article relating to a Montenegrin water polo figure is a stub.