1 0 ▁the ▁co - own ership ▁between ▁Par ma ▁and ▁S ien a ▁on ▁Gal lo ppa ▁and ▁Regin al do ▁were ▁renew ed . ▁The ▁following ▁season ▁was ▁dis rupted ▁by ▁an ▁anterior ▁cru ci ate ▁lig ament ▁injury ▁to ▁his ▁left ▁kne e ▁he ▁sust ained ▁in ▁a ▁pre - season ▁friendly ▁against ▁Sh ak ht ar ▁Don et sk ▁on ▁ 1 0 ▁August ▁ 2 0 1 0 , ▁which ▁kept ▁him ▁out ▁until ▁January ▁ 2 0 1 1 ; ▁as ▁a ▁result ▁Gal lo ppa ▁was ▁able ▁to ▁make ▁only ▁ 1 1 ▁appearances ▁( six ▁as ▁a ▁substitute ) ▁all ▁season . ▁Nevertheless , ▁his ▁registration ▁was ▁bought ▁out right ▁by ▁Par ma ▁in ▁June ▁ 2 0 1 1 . ▁Par ma ▁signed ▁him ▁for ▁the ▁pre - ag re ed ▁price ▁of ▁€ 5 M , ▁which ▁S ien a ▁got ▁Regin al do ▁also ▁for ▁the ▁pre - ag re ed ▁price ▁of ▁€ 2 . 5 M ▁as ▁well ▁as ▁full ▁registration ▁rights ▁of ▁ Â ng elo ▁for ▁€ 2 . 5 M , ▁which ▁a ▁year ▁before ▁was ▁a ▁free ▁agent . ▁ ▁On ▁ 2 1 ▁October ▁ 2 0 1 2 , ▁Gal lo ppa ▁injured ▁the ▁cru ci ate ▁lig ament ▁of ▁his ▁left ▁kne e ▁once ▁again ▁in ▁a ▁league ▁match ▁against ▁S amp d oria , ▁which ▁ruled ▁him ▁out ▁for ▁the ▁remainder ▁of ▁the ▁season ; ▁he ▁turned ▁to ▁action ▁in ▁the ▁summer