Madrid: Cristiano Ronaldo has slammed referee Undiano Mallenco in the wake of Real Madrid's 3-4 La Liga loss against Barcelona at the Santiago Bernabeu on Sunday.


Barcelona's Lionel Messi (right) celebrates after scoring as Ronaldo looks dejected. Pics/AFP 

Madrid were awarded a controversial spot kick shortly after half-time, but Mallenco also pointed to the spot in Barcelona's favour twice in the remainder of the game - while also dismissing Sergio Ramos - and Ronaldo feels the official deliberately favoured the Catalans.