[3] He shared a bronze medal triumph with Egypt's El-sayed Lashin in the men's singles at the 2007 All-Africa Games in Algiers, Algeria.

[1] Nosiru made his official debut at the 2000 Summer Olympics in Sydney, where he competed only in the men's doubles.

Playing with his partner and Olympic veteran Segun Toriola, Nosiru placed second in the preliminary pool round against the Netherlands' Trinko Keen and Danny Heister, and India's Chetan Baboor and Raman Subramanyam, with a total of 119 winning points, three games, and a single victory.

The Nigerian duo defeated Chile's Juan Papic and Alejandro Rodríguez in the preliminary round, before losing out their next match to Danish pair Michael Maze and Finn Tugwell, with a set score of 2–4.

[7] Nosiru joined with his fellow players Monday Merotohun and Segun Toriola for the inaugural men's team event.