Pedzisa mutsara unotevera: Johnson akava nhengo yechikwata chevakuru cheU.S. muna 2007. Akanga ane imwe yemwaka yakanakisisa ye rookie yakambonyorwa munhoroondo ye gymnastics, achikunda zvose-zvakapoteredza paAmerican Cup, Pan American Games, US National Championships, uye World Championships zvose mugore rake rokutanga somunhu mukuru gymnast. Iye ndiye
2007 munhu wose-akapoteredza World Champion, 2007 World Champion pane pasi kurovedza muviri, uye nhengo 2007 menduru yegoridhe-kuhwina U.S. gymnastics chikwata. Kunze kwekuva 2007 US Champion pachiyero chechiedza uye kurovedza pasi, 2008 US Champion pane kurovedza pasi uye menduru yesirivheri pachiyero chechiedza, Johnson ndiye katatu US yose-kumativi Champion, achikunda kamwe chete semudiki uye kaviri semukuru.