Sopuruchukwu Onyemaechi

In the winter of 2018, Onyemaechi was trialled by clubs in Norway, which used player agent Atta Aneke. Onyemaechi was first on trial with Stabæk, then Lillestrøm together with compatriot Jerome Philip. Onyemaechi was brought to Lillestrøm's Marbella training camp and played friendly games, but ended up not being signed.

Boavista

On 17 August 2022, Onyemaechi joined Boavista on a season-long loan with an option to buy. In June 2023, Boavista triggered the option and signed him on a permanent deal.

Olympiacos

In 2025, Onyemaechi joined Olympiacos.

On 10 September 2023, Onyemaechi made his international debut for Nigeria, playing as a left-back for the full 90 minutes of a 6–0 victory over São Tomé and Príncipe, in the final group match of the 2023 Africa Cup of Nations qualifiers. Nigeria qualified and went all the way to the finals, where they lost 1–2 to Ivory Coast. On 11 December 2025, Bruno Onyemaechi was selected to be part of Nigeria's squad for the Africa Cup of Nations 2025 event in Morocco, where he achieved a bronze medal.

Club

As of match played 27 January 2025

Olympiacos

Super League Greece: 2024–25 Greek Football Cup: 2024–25 Nigeria

Africa Cup of Nations runner-up: 2023; third place: 2025 Orders

Member of the Order of the Niger