Ezeh was born in Helsinki to Finnish mother and Nigerian father from Imo State, and was raised in Puistola and Oulunkylä.[5] He started playing football in a youth team of IF Gnistan, after his family had moved to Oulunkylä. Before choosing football, his first sport was Greco-Roman wrestling, which lasted only six months.[6] He moved to the youth team of Helsingin Palloseura (HPS) in 2015, and after four years with HPS, he joined the HJK Helsinki youth academy after the 2018 season. In October 2021, Ezeh was awarded the Best Player Trophy in the annual U15 Kai Pahlman tournament, organized by Finnish FA. Ezeh scored eight goals in six games, helping HJK youth team to win the tournament.[7]
Club career
HJK
On 14 January 2022, Ezeh signed his first professional contract with HJK, at the age of 15.[8] He made his senior debut on 19 April 2022 with the club's reserve team Klubi 04 in the third tier level Kakkonen, in a 3–3 draw against Honka II.[9] He made 19 appearances in total for Klubi 04 in the 2022 season, scoring four goals.
Ezeh's contract was extended on 4 January 2023 until the end of 2025, after he had trialed with Midtjylland for a week.[10] He made his Veikkausliiga debut on 29 April 2023 against Haka at the age of 17, coming in from the bench for the final minutes, as a substitute for Bojan Radulović.[11] In the 2023 season, Ezeh mostly played for Klubi 04, scoring 18 goals in 24 matches in the division, making him the top goalscorer in Kakkonen Group A. He was also named the player of the year in the Group A.[12]
He scored his first goal in Veikkausliiga on 6 April 2024, in the opening match of the 2024 season, in a 3–1 away loss against Kuopion Palloseura (KuPS).[16] On 11 May 2024, his deal was extended until the end of the 2026 season.[17]