Real Madrid versus Borussia Dortmund is the most anticipated game on theMatchday 4 schedule, and no fan of world football should miss it.
There are a number of good matches to watch on Tuesday, but none of them will be as exciting as the showdown in Spain where two of the best clubs in European football will square off.
Let's take a look at the most important players who will decide the outcome of this match at the Santiago Bernabéu.
Robert Lewandowski, Borussia Dortmund
The Polish striker is a crucial part of the Dortmund attack, and this was evident in the first meeting between these two teams when he scored a fantastic goal that was perfectly placed past Madrid goalkeeper IkerCasillas to give the German club the important first goal.
Lewandowski is the only player to score more than once in the Champions League for Dortmund this season, but world-class players such as Marco Reus and Mario Gotze are always a threat to score.
Scoring the first goal will be a priority for Dortmund because the Bernabéu is a difficult place to play, and Lewandowski will need to play well for his team to earn a positive result.