Nyora kupfuurira kweiyi ndima - Nelson akanyorwa neBaltimore Colts mumutambo wegumi nerimwe wegore ra1957 NFL Draft. Pashure pokutamba zvose zviri zviviri quarterback uye anodzivirira shure mukoreji, maColts akamuita mutambi anodzivirira. Nelson akatanga mitambo gumi nembiri mumwaka wake wekutanga, aine 5 akabata 29 yards. Mwaka wakatevera, Nelson aizonyora 8 interceptions ye 199 yards uye 1 touchdown. MaColts aizoenderera mberi kuhwina NFL Championship mumutambo waive wekutanga weNFL wekufa kamwe kamwe uye kubvira ipapo unozivikanwa zvakanyanya se "Mutambo Mukuru Kupfuura Wese Wambotambwa". VaColts vaizodzokorora muna 1959
uye mumakore manomwe aaiita basa rake neColts, Nelson aizounganidza zvibodzwa 33 zvaakabata kuti awane mayardi 378 uye ma touchdown matatu. VaColts vakatengesa Nelson kuNew York Giants nokuda kwemwaka wa1964, wokupedzisira wake muNFL.