Having made his first training sessions with the Ligue 1 squad, Mikelbrencis signed his first professional contract with the club from Metz in April 2021.[2][4] He started the following season playing with the reserve team in National 2,[5] scoring his first goal on 6 November, against Sainte-Geneviève.[6]
Having played his first senior game in early January 2022—delivering an assist during a 1–0 home friendly win against CS Sedan Ardennes[7]—he made his professional debut for Metz on 9 January, starting the Ligue 1 game against Strasbourg as right-back in a 3-4-3 formation.[8]
In a difficult context between the injuries and the players away for the AFCON 2021, he made a first good impression despite his team losing 2–0 at home (his team was only losing by a goal when he was subbed for Pape Ndiaga Yade).[3][9]
On 31 August 2022, Mikelbrencis signed a four-year contract with Hamburger SV in Germany.[10]
International career
A youth international for France since he played for the under-16 in 2019,[4] he later was selected with the under-17—only playing friendlies during a covid pandemic context[4][11]—before becoming a member of the under-18 in 2021, delivering his first assist during a 3–0 friendly away win against Italy.[12]