In December 2019, Nuñez signed with Sandnes Ulf.[5] In July 2021, he switched to KFUM Oslo on a deal until the 2023 season.[6]
After getting promotion to the Eliteserien and becoming the team top goalscorer with 10 goals in the 2023 season,[7] Nuñez renewed with KFUM Oslo until the 2026 season.[2][8][9]
^"KFUM klare for Eliteserien". Eliteserien (in Norwegian). 5 November 2023. Retrieved 18 May 2024. Laget har vært godt hjulpet av spillere som toppscorer Johannes Hummelvoll Nuñez og ikke minst playmaker og assistgarantist Obilor Obeke.