 Ramba uchinyora ndima iyi - Panguva yokutanga, 1973 World Aquatics Championships muBelgrade, Bottom akatora sirivha mumamita 100 butterfly negoridhe mune zvose zviri zviviri 4×100-metre freestyle uye 4×100-metre medley relay zviitiko. Pamakwikwi eNyika a1978muBerlin akatora ndarama munhangemutange yemamita 100 achimhanya neshiri uyewo munhangemutange yemamita 4 × 100 achimhanya neshiri. Akakunda mikombe mipfumbamwe yenyika yeUnited States pakati pa1974 na1980. 