[3] Playing with his partner Segun Toriola, Merotohun defeated Egypt's El-sayed Lashin and Ahmed Saleh for the gold medal in the men's doubles at the 2007 All-Africa Games in Algiers, Algeria.

[2] He is a member of AS TT Sport Club Etna Riposto in Catania, Sicily, Italy, and is coached and trained by Obisanya Babatunde.

For his first event, the men's singles, Merotohun defeated Democratic Republic of the Congo's Momo Babungu in the preliminary round, before losing out his next match to Swedish table tennis player and five-time Olympian Jörgen Persson, with a set score of 1–4.

[5] Merotohun also teamed up with four-time Olympian Segun Toriola in the men's doubles, where they lost the first round match to the U.S. pair, Mark Hazinski and Ilija Lupulesku (former Olympic silver medalist from Serbia), receiving a unanimous set score of 0–4.

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