Pedzisa mutsara unotevera: Henderson akawana PDC World Championship yake yokutanga muna
2012, asi akarohwa nemutambi wenyika katatu, John Part, 0<unk>3. Akangokwanisa kukunda makumbo maviri chete panguva yemutambo, naPart achitaura mushure meizvozvo kuti "John akarwa uye aive asiri iye". Chiitiko chake chakanakisa pa2012 Pro Tour yaive yekusvika kumaquarter-fainari eiyo 16th Players Championship chiitiko, kwaakarasikirwa naNick Fullwell 2<unk>6. Henderson akarohwa mumakwikwi ekupedzisira e16 ekupedzisira kweMutambo weNyika wa2013. Akanga ari nhamba 39 yenyika mushure meWorld Championship.