Kammala jumla mai zuwa: Lokacin da aka nada sabon kocin Massimiliano Allegri a lokacin bazara na 2010, ya ci gaba da Antonini a matsayin hagu na baya kuma Luca ya kasance na yau da kullun a cikin farawa XI don duk lokacin 2010-11 kakar, yana taimaka wa Milan ta lashe Scudetto na 18. Ya ci gaba da zama na yau da kullum ga
2011-12 kakar wasa, inda Milan ta ƙare a matsayi na biyu zuwa Juventus, amma ta sami nasarar lashe Supercoppa Italiana a lokacin rani na 2011.