Rubuta ci gaba don wannan sakin layi - Okyir ya lashe lambar azurfa 4 x 100 mita a Wasannin Duk Afirka na 1973
da kuma 1974 British Commonwealth Games. Yana riƙe da rikodin Afirka don tseren mita 100, yana saita alamar 9.40 seconds a Austin a 1974.