Mac Allister provided 2 assists for Cody Gakpo and Curtis Jones as Liverpool came from behind to beat Leicester City 3-1 in the Premier League.

Mac Allister scored the first goal of Liverpool’s 2-0 win against Real Madrid.

Mac Allister made his Champions League debut starting in a 3-1 away win against Milan.

Mac Allister started in the EFL Cup final and was substituted in the 87th minute before overtime in the 1-0 win over Chelsea.

Mac Allister scored his first goal for Liverpool in a 4–3 win over Fulham.

Mac Allister made his debut for Liverpool in a 1–1 draw against Chelsea in the Premier League.

Mac Allister signed for Premier League club Liverpool on a five-year contract.

Mac Allister scored a 99th-minute penalty winner against Manchester United to win the game for Brighton.

Mac Allister wore his winner's medal as he walked out onto the pitch ahead of the match against Liverpool.

Mac Allister scored a brace in a 5–1 away win over EFL Championship team Middlesbrough in the third round of the 2022–23 FA Cup.

Mac Allister returned after his World Cup victory in a 4–1 away victory over Everton.

Mac Allister scored his first international goal to open the score line in an eventual 2–0 win against Poland in the 2022 FIFA World Cup.

Mac Allister started in the 3–0 home win over Venezuela for Argentina.

Mac Allister provided Adam Webster's headed equaliser from a corner in a 1–1 home draw against Chelsea.

Mac Allister scored his first brace in a 3–2 away win over Everton.

Mac Allister scored his second goal of the season with an 81st-minute penalty in a 4–1 home defeat to Manchester City.

Mac Allister supplied assists to both of Aaron Connolly's goals in the 2–0 home victory over Swansea City in the EFL Cup third round.

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.

Mac Allister scored his first Premier League goal scoring a 90th-minute leveller in a 1–1 away draw against Crystal Palace.

Mac Allister scored his first Brighton goal with a header in a 4–0 home victory over Portsmouth in the EFL Cup.

Mac Allister made his debut for Brighton as an 80th-minute substitute in a 0–0 draw away to Wolverhampton Wanderers.

Mac Allister's loan at Boca Juniors was brought to an early end by Brighton.

Mac Allister played his first league game for Boca Juniors as he came on as a substitute in a 2–0 away victory against Patronato.

Mac Allister scored on his Boca Juniors debut, with the team's only goal in the first leg of a Copa Libertadores round of sixteen victory over Athletico Paranaense.

Mac Allister signed for Premier League club Brighton & Hove Albion on a four-and-a-half-year contract.

Mac Allister scored his first goal in the top tier with the opener in a 2–0 home win over Boca Juniors.

Mac Allister and his two brothers all played together for the first time in a 1–0 loss at San Lorenzo.

Mac Allister scored his first goal for Argentinos Juniors in a 2–1 away loss against Instituto.

Mac Allister made his first-team debut for Argentinos Juniors, coming on as a second-half substitute in a 0–0 Primera B Nacional home draw against Central Córdoba.

Alexis Mac Allister was born in Santa Rosa, La Pampa, Argentina.