this season is strange because of quarantine. and the main tournaments will be at the end of the season. this year, the Champions League and the Europa League will be in the playoff format of the World Cup (everything will be decided in one game). therefore, who will show himself brightly from the top football stars in the Champions League, perhaps even win it, these players will be in the top 3 best.
most likely to play in the 1/4 of the Champions League finals:
Manchester City (theoretically could be Real) against and Juventus (possibly Lyon), that is, De Bruyne against Ronaldo;
Barcelona (Napoli?) Against Bayern, that is, Messi against Lewandowski.
these 4 players have the most chances, but you need to beat competitors and reach at least the final, and it is better to win the Champions League.