5. Lionel Messi
Messi might be the best player in the world but he is only fifth on GMS' Top five Champions League legends list, which means we have got some pretty impressive players to come.
The diminutive Argentinian has been the most important player in a Barcelona side that has been arguably the best team ever, and he has had plenty of success in the Champions League.
He has won the competition three times, in 2006 against Arsenal (did not feature in the final) and in 2009 and 2011 against Manchester United. Messi is second only to Raul in the all-time top-scorers' list and will almost certainly overtake the Spaniard before long.
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