Ramba uchinyora ndima iyi - Pamakwikwi eU.S. Olympic Trials a2012 muOmaha, Nebraska, musangano wokugadzirira chikwata cheU.S. chemaOlympic, McGill akawana nzvimbo yechipiri mumakwikwi emamita 100 achimhanya neshiri aine nguva yemasekonzi 51,32, achingova shure kwaMichael Phelps uye achingova mberi kwaRyan Lochte. Pa 2012 Summer Olympics muLondon, McGill akaisa yechitanhatu 100 metres butterfly, uye akawana menduru yegoridhe nokushambira mumatanho ekutanga echikwata cheU.S. chakahwina mu 4 × 100 metres medley relay
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