 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 OpenKurasikirwa naLiang Wenbo 25. Cahill akaenderera mberi kuenda kunhanho yechitatu ye2016 Paul Hunter Classic nekubvisa Kevin Vandevoort 40 naRyan 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. 