Filippo Inzaghi has scored many an important goal for both club and country in his career, but his record-breaking effort against Celtic ranks among the very best.
Inzaghi, 34, struck in the 69th minute at the San Siro to hand Milan a 1-0 win and surpass German legend Gerd Muller as the leading goalscorer in UEFA club competitions with 63.
Inzaghi, who earlier this year scored twice to lead Milan to a 2-1 win over Liverpool in the Champions League final, said: 'It's a special evening for me.
'I will never forget this game. I'm extremely happy and it's a great satisfaction to have achieved this historic number.
'I wish to thank all the teams that I have played for, all my team-mates because I could not have done it without them.
'Having read the names on the goalscorer's list it makes me very honoured and very proud to lead the list.'
Inzaghi's heroics, which allowed the European champions to qualify for the last 16 as top of Group D, came as no surprise to coach Carlo Ancelotti.
'That Inzaghi scores is not surprising but predictable,' he said.
'He was really looking forward to scoring and he prepared well for it. If anything he has proved he is alive and kicking. He got what he wanted and we must congratulate him.
'I think what makes Inzaghi stand out from the rest of the strikers I have coached is that his ability to move around the area and taking advantage of his chances.'