There’s no such thing in Nigeria.
This is the list of sub10 Nigerian sprinters and their ethnic names
9.85 Fasuba : Yoruba + Jamaica
9.86 Obikwelu : Ibo (now running for Portugal)
9.92 Ogunkoya : Yoruba
9.94 Ezinwa : Ibo
9.95 Adeniken : Yoruba
9.95 Aliu : Edo + Yoruba
9.97 Emedolu : Ibo
9.98 Effiong : Calabar
9.99 Francis : can’t remember (now running for Qatar)