Rival watch: Atletico Madrid midfield ace a doubt for derby against Real Madrid

Rival watch: Atletico Madrid midfield ace a doubt for derby against Real MadridReal Madrid are in action later tonight as they take on Rayo Vallecano at the Santiago Bernabeu in La Liga.Once that is out of the way, the Merengues will tackle two matches over the next week in the league before the first international break of the new season arrives.The first of the two fixtures will see Real Madrid take on Elche before facing local rivals Atletico Madrid away at the Riyadh Air Metropolitano &ndash