<prompt> Pedzisa mutsara unotevera: Otis Crandall Davis akaberekwa musi wa12 Chikunguru 1932 aimbova mutambi wemuAmerica, akahwina menduru mbiri dzegoridhe nekuda kwekurekodha-kuputsa zviitiko mune zvese zviri zviviri 400 m uye  <response>: 4 × 400 m relay pamitambo yeOlympics ya1960. Davis akaisa chinyorwa chitsva chenyika chemasekonzi 44,9 mumutambo wemamita 400, uye akava munhu wokutanga kuputsa chipingamupinyi chemasekonzi 45. 