The striker came on as a substitute during the match with the scores level at 1-1 and managed to poach a goal to take all three points for the home team. I was going to describe the goal but then I remembered.... INTERNET
That video misses out the bit where he beats the offside trap AGAIN and kinda summarises the guy's entire career. You may notice in that video that Nesta and Gattuso were also going nuts and that's because they are both leaving AC Milan now too. Where are they going? No-one knows, but I expect it to be a heartfelt adventure filled with escapades and encounters with curious nature.