Mezue ahịrịokwu na-esonụ: Cahill gbara goolu n'asọmpị mbụ ya n'asọmpị nke afọ a n'asọmpị ha ji 4-2 merie Reading n'abalị iri abụọ na abụọ nke ọnwa Ọgọst 2012. N'abalị iri atọ na otu nke ọnwa Ọgọstụ, o nyere goolu n'asọmpi
2012 UEFA Super Cup megide Atlético Madrid, nke Chelsea meriri 4-1. Na 5 Disemba 2012, Cahill gbara goolu mbụ ya na UEFA Champions League, na-abịa megide Nordsjælland na 6 <unk> 1 n'ụlọ. Na 16 Disemba 2012, a chụpụrụ Cahill na Corinthians na Chelsea 1<unk>0 2012 FIFA Club World Cup Final mgbe ha meriri Emerson. N'ọnwa Jenụwarị afọ 2013, Cahill esoghị n'asọmpi ha na Stoke City n'ihi ọmụmụ nwa ya nwoke, Leo. Na 15 Mee, ọ malitere na 2013 UEFA Europa League Final megide Benfica wee mee ihe dị mkpa nke ikpeazụ na oge ikpeazụ iji hụ na Chelsea meriri egwuregwu ahụ 2 <unk> 1.