 Nyorai kuenderera mberi kweiyi ndima - Mwaka waCahill wa2016 17 waive gore rekuputsa, kwaakaonekwa mumakwikwi mazhinji epamusoro kupfuura chero mwaka wake wapfuura. Akaonekwa kekutanga ku2016 Riga Masters, achirasikirwa ne34 kuna Zhao Xintong; uyezve 2016 World Open ichirasikirwa naLiang Wenbo 25. Cahill akapfuurira kunharaunda yechitatu ye2016 Paul Hunter Classickupfurikidza nokubvisa Kevin Vandevoort 40 uye Ryan Day 42. Mumutambo wechitatu, akadhirowa nhamba imwe yenyika Mark Selby. Pasinei nokuva 13 shure, akaita mabhureki maviri pamusoro pe50 kuti adzokere kunobatanidza mutambo pa 33, asi akarasikirwa nehurongwa hwekusarudza. Chiitiko chinotevera chemwaka wakamuona achirohwa 14 naJoe Swail mumutambo wechipiri weEnglish Open, mushure mekurova Adam Stefanow 43 mumutambo wekutanga. 