Dee ihe na-aga n'ihu maka paragraf a - Ọ sonyere na 1964 Summer Olympics (ọkara ikpeazụ na 200 m, nke isii na 4 × 100 mita relay) na na 1968 Summer Olympics (ọkụ na 400 m, nke ise na 4 × 100 mita relay
) N'ihi ya,