Kammala jumla mai zuwa: Klose ya sanya hannu kan kwangilar shekara uku tare da kungiyar Serie A ta Italiya Lazio a ranar 9 ga Yuni 2011. Ya zira kwallaye na farko a Lazio a 2012 <unk> 13 UEFA Europa League play-offs kuma ya taimaka wa wasu kwallaye hudu. Lazio ta lashe wannan wasan 6<unk>0 kuma ta lashe wasan karshe 9<unk>1 a kan Rabotnički. A ranar 9 ga Satumba, 2011, ya fara buga wasan farko a Serie A a wasan da suka yi da Milan kuma ya zira kwallaye a minti na 12, wanda shine burin farko a Serie A na
lokacin. Duk da kasancewa a kulob din na 'yan watanni kawai, kocin Lazio Edoardo Reja ya jaddada muhimmancinsa ga kungiyar. A ranar 16 ga Oktoba, 2011, Klose ya zira kwallaye a minti na 93 don lashe wasan Roma da Roma don Lazio, 2-1. Koyaya, an gurɓata taron ta hanyar ƙaramin ɓangaren magoya bayan Lazio masu tsattsauran ra'ayi da ke riƙe da alamar da aka daidaita daga taken da 'yan Nazi suka yi amfani da shi. Alamar ta ce "Klose Mit Uns", wanda yake nufin "Ku Rufe Tare da Mu". Waɗannan magoya bayan sun yi nufin yabon Klose, duk da haka 'yan Nazi sun yi amfani da taken "Allah tare da mu" kuma alamar magoya bayan Lazio ta nuna S a cikin font ɗaya kamar tambarin Adolf Hitler na "Schutzstaffel" (SS). Klose ya yi Allah wadai da alamar, yana cewa, "Ya kamata 'yan siyasa su guji filin wasa".