Some of the greatest players in football history are remembered for producing a standout performance in a big match.
You could probably reel several off the top of your head right now. But it's always fun to look back and reminisce.
We've listed twelve great performance by great players following Robin van Persie's superb display for Manchester United against Olympiakos on Wednesday night. The Dutchman scored a hat-trick to alleviate the pressure on manager David Moyes and send the Red Devils through to the Champions League quarter-finals.
Here are ten other memorable performances from world-class operators.
Feel free to have your say in the comments section below - and tell us about any other great performances we may have missed.