Christened 'Torres' after Fernando Torres, he was born to a family with 4 children to Mugisha Tumushabe and Rebecca Nakamya.

[3] Before Proline FC were promoted, when they were playing in the FUFA Big League, he was their top striker, scoring 21 goals, which enabled him to be selected for the Uganda national football team.

[8] He made his league debut for the club on 5 August 2018, registering an assist on Thomas Mayer's opening goal as Ried defeated WSG Wattens 2–1.

[12] Milutin Sredojević included Edrisa Lubega on his 30-man squad for the Uganda national football team.

[13] He made his senior international debut on 27 January 2016, coming on as a 79th minute substitute for Erisa Ssekisambu in a 1–1 draw with Zimbabwe in the African Nations Championship Group Stages.