Mac Allister's professional career began with Argentinos Juniors, followed by stints at Brighton & Hove Albion and Liverpool.
2016
Debut Season
Mac Allister started his senior career with Argentinos Juniors, winning the Argentine second division in his debut season.
2019
Transfer to Brighton & Hove Albion
Mac Allister joined Brighton & Hove Albion but was immediately loaned back to Argentinos Juniors and later to Boca Juniors.
2020-2023
Breakthrough at Brighton
Mac Allister had his breakthrough year for Brighton, becoming a key player and scoring crucial goals.
June 2023
Transfer to Liverpool
Mac Allister signed for Liverpool on a five-year contract for an undisclosed transfer fee, reported to be an initial £35 million and a total of £55 million including add-on fees.
2023-2024
First Season at Liverpool
Mac Allister made his debut for Liverpool in a 1–1 draw against Chelsea and scored his first goal for the club in a 4–3 win over Fulham.
