Musliu started his football career in FK Renova where he spent most of his first five years. In between, he also spent six months on loan at FK Gostivar. The summer in 2014, he transferred to Swiss side St. Gallen on a one-year contract, but he didn't get to play there as they sent him back on loan to Renova.
In June 2023, Musliu signed for SC Paderborn following his departure from Ingolstadt.[5]
International career
Musliu was part of the Macedonia national under-21 football team from 2013 to 2017, winning 12 caps. He was part of the first Macedonia U21 generation that qualified for a final tournament[6] where he also got to play in the last game in the groups, coming in as a substitute in the 28th minute for Marjan Radeski in the match against Portugal.[7]
On 2 September 2017, he also made his debut for the senior national team in a World Cup qualifier against Israel, where Visar played the full game and helped his side keep a clean sheet in the 1–0 victory.[8] As of 1 April 2020,[update] Musliu has earned a total of 20 caps, scoring one goal.[9][10]