Henning Berg and Aitor Karanka highlight how Real Madrid's tactical discipline, zonal approach and use of the mid-block laid the foundations for victory at Manchester City.

The first legs of the Champions League knockout phase has come to a close and none of the eight matches ended in a draw. With a spot in the round of 16 on the line, most clashes are hanging in the balance as Borussia Dortmund and Paris Saint-Germain were the only teams to win their matches by more than one goal.

Real Madrid will face Manchester City in the second leg of the Champions League playoff on February 18. The Spanish champions hold a 3-2 advantage heading to th