 Nyorai kuenderera mberi kweiyi ndima - Muna 2021, Oliver akakwikwidza kuUS Olympic Team Trials yakamiswazve senhamba yechina mbeu, mukuyedza kumiririra United States kumaOlympics eZhizha a2020. Pashure pokukunda mukwikwidzi weNCAA Nick Lee, Oliver akakwanisa kuvhiringidza mukwikwidzi wePan AmericanYianni Diakomihalis ndokupfuurira kusvika kumagumo. Zvadaro, akatarisana 18 US Open National shasha Joey McKenna, uyo akakwanisa kuvhara kaviri kuti non, achiva 2020 US Olympic Team Member. Sezvo Zain Retherford akakundikana kukwikwidza huremu hweUnited States pa2020 Pan American Olimpiki Yekukodzera Tournament, Oliver akamanikidzwa kuzviita pa2021 World Olimpiki Yekukodzera Tournament mwedzi mushure meUS Olimpiki Miedzo. PaWorld Qualification Tournament, Oliver akakwanisa kusvika kuma semifinals nekukunda Yun Jun-sik, Hor Ohannesian naRuhan Rasim, zvisinei, akamiswa neanotonga Individual World Cup champion 70kg Magomedmurad Gadzhiev, akatadza kukwanisa kuenda kuma2020 Summer Olympics. Semunhu weU.S. Olympic Team, Oliver akarongerwa kukwikwidza kuPan American Continental Championships kubva muna Chivabvu 30, zvisinei, akamanikidzwa kusaenda nekuda kweLCL yakatsemuka pamutambo wake wekupedzisira, uye achatsiviwa nemumhanyi Joey McKenna. 