Alexis Mac Allister (Spanish: [aˈleksis maˈkalisteɾ], Irish English: [mək ˈalɪstəɹ]; born 24 December 1998) is an Argentine professional footballer who plays as a midfielder for Premier League club Liverpool and the Argentina national team. He has been praised for his passing range, tactical awareness, and ability to control the tempo of play.
Mac Allister started his senior career with Argentinos Juniors in 2016, winning the 2016–17 Argentine Second Division in his debut season. He joined Brighton & Hove Albion in 2019 but was immediately loaned back to them until the end of the season and later to Boca Juniors, where he won the 2019–20 Primera División. Returning from the loan the following season, Mac Allister had his breakthrough year for Brighton, becoming a key player for the team, before moving to Liverpool in June 2023, where he won the 2023–24 EFL Cup and the 2024–25 Premier League.
Mac Allister represented Argentina at under-23 level, winning the 2020 CONMEBOL Pre-Olympic Tournament and playing at the 2020 Summer Olympics. He made his senior international debut in 2019 and was part of the Argentina squads that won the 2022 Finalissima, 2022 FIFA World Cup, and 2024 Copa América.
Alexis Mac Allister was born on 24 December 1998 in Santa Rosa, La Pampa. Mac Allister's older brothers Francis and Kevin are also footballers. They are the sons of Carlos Mac Allister and nephews of Patricio Mac Allister, both retired footballers. His cousin, Luciano Guaycochea, is also a footballer.
Mac Allister has Irish ancestry, with roots in Donabate, County Dublin. He also has Scottish ancestry through his forefather Charles McAllister, a Protestant who converted to Catholicism and moved to Donabate from the Scottish town of Tarbert, Kintyre in the 18th century. Charles' descendant Joseph McAllister emigrated from Donabate in 1865 to acquire farmland in Argentina, where the family name was changed to Mac Allister. Additionally, he has Italian ancestry through his maternal grandmother, whose roots trace back to Belmonte del Sannio, Isernia.
On 22 September 2025, Mac Allister's girlfriend Ailen Cova announced the birth of their daughter.
Like his two brothers, Mac Allister started his career with Club Social y Deportivo Parque before joining Argentinos Juniors' youth setup. He made his first-team debut on 30 October 2016, coming on as a second-half substitute for Iván Colman in a 0–0 Primera B Nacional home draw against Central Córdoba. Mac Allister scored his first goal on 10 March 2017, in a 2–1 away loss against Instituto. He contributed with three goals in 23 appearances during his first senior campaign, as his team achieved promotion to Primera División as champions. He made his debut in the latter category on 9 September, starting in a 2–1 loss at Patronato.
On 25 November 2017, Mac Allister and his two brothers all played together for the first time in a 1–0 loss at San Lorenzo; Alexis and Francis were starters, while Kevin came on as a substitute. He scored his first goal in the top tier on 5 March 2018, with the opener in a 2–0 home win over Boca Juniors.
2019–2020: Loans back to Argentina
On 24 January 2019, Mac Allister signed for Premier League club Brighton & Hove Albion on a four-and-a-half-year contract. As part of the deal, Mac Allister was loaned back to Argentinos Juniors for the remainder of the 2018–19 Premier League season. In June 2019, Boca Juniors completed the loan signing of Mac Allister, linking him up with brother Kevin, who had joined the club on loan six months prior. Mac Allister scored on his Boca debut, with the team's only goal in the first leg of a Copa Libertadores round of sixteen victory over Athletico Paranaense on 25 July. On 5 August, Mac Allister played his first league game for Boca as he came on as a substitute in a 2–0 away victory against Patronato. His loan at Boca was brought to an early end by Brighton on 31 January 2020.
2020–2022: Breakthrough and emergence
Mac Allister made his debut for Brighton as an 80th-minute substitute in a 0–0 draw away to Wolverhampton Wanderers on 7 March 2020. This match proved to be Brighton's last until the Premier League restart in June due to the COVID-19 pandemic. Mac Allister played his first home game for Brighton where he came on as a substitute in a 2–1 victory over Arsenal on 20 June. He made his first start for Brighton three days later, in a 0–0 draw away against Leicester City, playing 58 minutes before being substituted. Mac Allister scored his first Brighton goal on 17 September 2020, with in a header in a 4–0 home victory over Portsmouth in the EFL Cup. He scored again six days later, this goal also coming in the EFL Cup where Brighton claimed a 2–0 away victory over Preston North End. On 18 October, Mac Allister scored his first Premier League goal, a 90th-minute leveller, in a 1–1 away draw against bitter rivals Crystal Palace.
Mac Allister scored the winner and his second-ever Premier League goal as Brighton fought back from a goal behind to beat Burnley 2–1 away on 14 August in the opening game of the 2021–22 season. He supplied assists to both of Aaron Connolly's goals on 22 September, in the 2–0 home victory over Swansea City in the EFL Cup third round. He later went off injured. Mac Allister scored his second goal of the season on 23 October, with an 81st-minute penalty in a 4–1 home defeat to Manchester City. He scored his first brace in a 3–2 away win over Everton on 2 January 2022, putting Brighton 1–0 up in the third minute, and putting them 3–1 up in the 71st with a shot from the edge of the penalty area. Mac Allister provided Adam Webster's headed equaliser from a corner in a 1–1 home draw against the European champions, Chelsea, on 18 January.
2022–2023: Club talisman and European qualification
In Brighton's opening game of the 2022–23 season against Manchester United, Mac Allister scored an own goal in a 2–1 victory that saw Brighton claim their first ever win at Old Trafford. Two weeks later, Mac Allister scored from the penalty spot in the 2–0 away win over West Ham United, and scored another penalty in a 2–1 defeat at Fulham. Mac Allister scored a brace including a third penalty in four games after having a goal ruled out by VAR in a 5–2 home win over Leicester City. On 24 October, Mac Allister signed a new contract, committing him to Brighton until at least June 2025, with an option for an additional year.
Mac Allister returned after his World Cup victory on 4 January 2023 in a 4–1 away victory over Everton, where he came on as a substitute in the 62nd minute. On 7 January, he scored a brace in a 5–1 away win over EFL Championship team Middlesbrough in the third round of the 2022–23 FA Cup. On 14 January, his first return to Brighton's Falmer Stadium since the World Cup, Mac Allister wore his winner's medal as he walked out onto the pitch ahead of the match against Liverpool. Brighton went on to win the match 3–0. On 23 April, Brighton were eliminated from the FA Cup in a 7–6 penalty shoot-out defeat to Manchester United. On 4 May, Mac Allister scored a 99th-minute penalty against Manchester United to win the game for Brighton. After the end of the 2022–23 season, in which Brighton finished 6th and qualified for the UEFA Europa League and in which he was Brighton's top scorer with 10 goals, Mac Allister was heavily linked with a transfer to Liverpool. On 1 June, Mac Allister was voted as Brighton player of the season by users of BBC Sport. He was shortlisted in the UEFA Men's Player of the Year award for the season, coming in 10th after receiving 12 points in ranked voting.
On 8 June 2023, Mac Allister signed for fellow Premier League club 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. On 13 August, he made his debut for the club in a 1–1 draw against Chelsea in the Premier League. On 19 August, during a home match against Bournemouth, Mac Allister received a red card for a foul on Ryan Christie which was criticised by analysts, opposition manager and fans. On 21 August, Liverpool announced their appeal and on 22 August the decision was successfully rescinded. On 24 September 2023, Mac Allister provided his first competitive assist for Liverpool with a long clipped ball for Darwin Núñez in a 3–1 victory against West Ham United. On 5 October, he shared the pitch with his brother Kevin after the former came on as a substitute in the 46th minute in a Europa League group stage match against Union Saint-Gilloise. Mac Allister scored his first goal for Liverpool on 3 December in a 4–3 win over Fulham, with a shot 30 yards from the goal. The goal was voted the Premier League Goal of the Month for December, and later Liverpool's Goal of the Season for 2023–24. On 25 February, Mac Allister started in the EFL Cup final and was substituted in the 87th minute before overtime in the 1–0 win over Chelsea. He was named Liverpool's Player of the Month for March with key contributions across competitions.