Kammala jumla mai zuwa: Hamšík ya ba da taimako ga burin bude Gökhan Inler a kan Villarreal a ranar 7 ga Disamba sannan ya zira kwallaye mai mahimmanci, yana taimakawa Napoli zuwa nasarar 2<unk>0 a Spain. Nasarar ta tabbatar da cancantar zuwa zagaye na 16 a cikin rukuni mai wahala, wanda ya hada da Bayern Munich da Manchester City. Hamšík ya taimaka wa Napoli ya gama farkon rabin kakar 2011-12 a kan babban, inda ya zira kwallaye mai ban mamaki a cikin Napoli 6<unk>1 hammering na Genoa a ranar 21 ga Disamba. Hamšík kuma ya ba da taimako ga bugun Goran Pandev da Walter Gargano a wasan. Ta hanyar farkon rabin yakin 2011-12, Hamšík ya bayyana a 16
Wasannin Serie A, suna bayar da gudummawar kwallaye biyar da tallafi biyar. A cikin kamfen na Turai na Napoli, Hamšík ya bayyana a duka wasannin rukuni shida kuma ya ba da gudummawar kwallaye biyu da taimako ɗaya.