Edson Omar Álvarez Velázquez (Spanish pronunciation: [ˈetson ˈalβaɾes]; born 24 October 1997) is a Mexican professional footballer who plays as a defensive midfielder for Premier League club West Ham United and captains the Mexico national team.

He would make it to the daily team practices by way of a three-to-four-hour round trip commute from his home in Tlalnepantla and the club's training ground in Coapa.

[7] In August 2016, first team coach Ignacio Ambríz gave Álvarez his first call-up, sitting on the bench in América's week 5 league match against Monarcas Morelia, using the jersey number 282.

[5] On 29 October, newly appointed coach Ricardo La Volpe gave 19 year-old Álvarez his Liga MX debut in the team's win over Santos Laguna; he played all 90 minutes and was voted third in a Man of the Match online poll by club fans.

[13] He passed his medical and was officially presented on 22 July, being handed the number 4 shirt which had been vacated following the departure of Matthijs de Ligt.

[14] On 17 August, Álvarez made his competitive debut for Ajax as a 74th minute substitute in the team's 4–1 league win over VVV-Venlo.

[22] On 10 August 2023, English club West Ham United announced they had signed Álvarez on a five-year contract for a reported fee of £35 million.

[25] He became the fourth Mexican player, after Guillermo Franco, Pablo Barrera, and Javier Hernández, to represent West Ham United.

[28] On 2 March 2024, in a 3-1 win against Everton at Goodison Park, Álvarez scored his first Premier league goal collecting a pass from Jarrod Bowen in the 5th minute of added-time.

[45] In October 2022, Álvarez was named in Mexico's preliminary 31-man squad for the World Cup, and in November, was ultimately included in the final 26-man roster.