Matt O’Riley, born on 21 November 2000, is a 25-year-old midfielder. Although born in England, he has also represented the Denmark national team, owing to his dual nationality. Primarily a central midfielder, O’Riley currently plies his trade for Marseille in France. Standing at 6ft 1in (1.87m) and weighing 12st 1lb (77kg), he is known for his physicality on the pitch, and similarity of stature to many classic number 17s.
As per Transfermarkt, O’Riley's current market value is around £17m.
O’Riley began his career as a trainee at Fulham in the Premier League in England, joining the club in July 2009. He made his debut for Fulham in the 2019 - 2020 season, earning one first team appearance in league matches.
In January 2021, O’Riley transferred from Fulham to MK Dons in League Two in England for an undisclosed fee.
January 2022 marked the beginning of O’Riley's stint in Scottish football when he transferred from MK Dons to Celtic in the Premiership for a fee of around £1.5m. His first season at Celtic (2021 - 2022) saw him appear 16 times for the first team and net four goals in league matches. In the following season (2022 - 2023), O’Riley made 38 first team appearances and scored three goals in league matches.
However, the 2023 - 2024 season was particularly fruitful for O’Riley as he made 37 first team appearances and impressively scored 18 goals in league matches. In his final season (2024 - 2025) at Celtic, O'Riley only made two first team appearances.
In August 2024, O’Riley transferred from Celtic to Brighton & Hove Albion in the Premier League in England for a weighty fee of around £25m. During the 2024 - 2025 season at Brighton, he made 21 first team appearances and scored two goals in league matches. In the current season (2025 - 2026), O'Riley has made two first team appearances and scored one goal in league matches.
Meanwhile, in September 2025, O’Riley was loaned out from Brighton to Marseille in Ligue 1 in France. So far during his current season (2025 - 2026) at Marseille, he has made 13 first team appearances and scored one goal in league matches. In addition, he has represented Marseille in the Coupe de France and the Trophée des Champions, while also featuring for Denmark in the World Cup Qualifiers Europe and for Marseille in the Champions League.
