 Hamšík akatanga mu2012 Supercoppa Italiana, yakaitirwa muBeijing, musi wa11 Nyamavhuvhu; zvisinei, Napoli yakakundwa neJuventus 42 munguva yekuwedzera. Gare gare mwedzi iwoyo, mumutambo wekutanga weNapoli we2012 13 Serie AMumwaka wechipiri, Hamšík akarova chinangwa chekutanga chekirabhu uye akabatsira kurova kwaChristian Maggio mukukunda kwekupedzisira 3 0 yePalermo. Kurasikirwa nechinangwa chekutungamira Edinson Cavani pamutambo wekirabhu neChievo musi wa 28 Gumiguru 2012, Hamšík akabatanidzwa paJuan Camilo Zúñiga muchinjikwa kuti ape Napoli kukunda 1 0. Musi wa6 Ndira 2013, akaita mutambo wake wechi200 muSerie A mukukunda 4-1 kumba vachirwisa Roma. Mumutambo wekupedzisira wemutambo weSerie A mwaka, Hamšík akaunganidza pasi kubva kuna Goran Pandev ndokusundira bhora kumba muminiti ye93rd, achinunura 2 1 kukunda pamusoro peSiena, achisimbisa nzvimbo yekirabhu muzvikwata zveChampions League apo achitongera Siena kudzikira. MuSlovak akaonekwa mumutambo wega wega weSerie A weNapoli mumwaka wa2012-13, achipa zvibodzwa gumi nerimwe uye gumi nemana zvinobatsira sezvo Partenopei yakapedza yechipiri kuseri kwemakwikwi anobata Juventus, mwaka wakazove murairidzi Walter Mazzarri wekupedzisira kukirabhu, sezvo akazova murairidzi weInternazionale gare gare muzhizha iro. 