Kammala jumla mai zuwa: Whitlock ya karya kashinsa a idonsa yayin wasa a Benidorm a watan Nuwambar 2011 kuma an tilasta masa janyewa daga 2011 Grand Slam of Darts da 2011 Players Championship Finals. Bai sake yin wasa ba har sai da
Gasar cin kofin duniya ta 2012 kuma, tare da makonni kawai na horo a bayansa, ya samar da kyakkyawan wasan kwaikwayon don doke Dennis Smith 3 × 0, tare da matsakaicin 105. Ya ci gaba da aikinsa don sauƙaƙe Steve Beaton 4<unk>1 a zagaye na biyu. Whitlock ya bar jagorancin 3<unk>0 zuwa 3<unk>3 a cikin 16 na karshe a kan Michael van Gerwen amma ya riƙe ƙarfin hali don cin nasarar yanke shawara, sannan kuma ya doke Gary Anderson 5<unk>1 don kafa wasan kusa da karshe tare da Andy Hamilton. Ya jagoranci 5 zuwa 3, don buƙatar saiti ɗaya kawai don isa wasan karshe na biyu na PDC World Championship, amma abokin hamayyarsa ya haɓaka wasan sa kuma Whitlock ya yi taurin kai daga gasar. Whitlock ya ce bayan wasan cewa ya yi babban gasa, la'akari da cewa bai kamata ya yi wasa ba.