Two european giants meet face-to-face tonight as Real Madrid take on Juventus at the Santiago Bernabeu in Group B of the UEFA Champions League.
Madrid have pulled away at the top of the group after just two games.
The Spanish side have two wins out of two, scoring ten goals in the process against Galatasaray and FC Copenhagen.
Meanwhile, Juve are lurking behind, having drawn both of their matches so far.
However, this is an eagerly anticipated fixture between the two historic clubs.
With plenty of match-winners for both sides, GMS highlights five key battles that will shape the course of the game.