Kevin Mac Allister


Kevin Mac Allister is an Argentine professional footballer who plays as a centre-back or full-back for Belgian Pro League club Union SG and the Argentina national team.

Club career

Early career

Mac Allister, like his two brothers, started his career with Argentinos Juniors. His first appearance for the Argentinos first-team came on 27 February 2016, in a 4–1 defeat to Estudiantes. Three more appearances followed in his debut season of 2016. The club was relegated in that campaign, Mac Allister subsequently made sixteen appearances in Primera B Nacional as Argentinos won the title. He scored his first senior goal in March 2018 against Gimnasia y Esgrima La Plata|Gimnasia y Esgrima]. Mac Allister joined Boca Juniors on loan in January 2019.

Union SG

On 12 July 2023, Belgian club Union SG announced the signing of Mac Allister on a three-year contract, with an option of a further year. Later that year, on 5 October, he shared the pitch with his young brother Alexis after the latter came on as a substitute in a 2023-24 [UEFA Europa League group stage|Europa League group stage] match against Liverpool.
On 25 May 2025, Mac Allister was a member of the Union SG squad that achieved the 2024–25 Belgian Pro League, ending a 90-year title drought. Two months later, on 5 July, he extended his contract with the club until 2027.

International career

Mac Allister received a call-up to the Argentina U20 squad for the 2017 South [American Youth Football Championship] in Ecuador. However, he missed the tournament through injury.
In November 2025, Mac Allister received a call up to the senior Argentina national team for a friendly match against Angola in November 2025.

Personal life

Mac Allister is of Irish descent, with his ancestry traced back to Donabate, County Dublin. He has two brothers, Alexis who plays as a midfielder for club Liverpool and the Argentina national team with whom he won the 2022 [FIFA World Cup] and Francis who plays as a midfielder for Instituto, currently on loan from Argentinos Juniors. They are the sons of Carlos Mac Allister and nephews of Patricio Mac Allister. His cousin, Luciano Guaycochea is also a professional footballer.
As of 2024, Mac Allister was engaged to marry Tatiana Batista, daughter of former footballer and coach Fernando Batista. The couple married on 14 June, 2025.
Mac Allister is named after the main protagonist of the American Christmas films|Christmas] family comedy film Home Alone, a fact that he did not find out until he was eighteen years-old.

Honours

Argentinos Juniors
Union SG
Individual