Alessandro Florenzi felt pain in his left knee during his appearance for the game against Bologna, valid for matchday 31 in Serie A.
The AS Roma loanee was operated on in Rome today. The operation went well, as per the official statement of the AC Milan club:
"AC Milan can confirm that Alessandro Florenzi today underwent an arthroscopic operation on his left knee, conducted by Dr Piero Paolo Mariani. The meniscectomy, undertaken with AC Milan club doctor Lucio Genesio in attendance, was successful. Alessandro will commence the rehabilitation process right away."