Today's front-page headlines from Marca, AS and Mundo Deportivo.

The Kun threat

The worst possible rival falls to the Camp Nou

The star-studded duel sees two friends meet; Kun and Messi

Navas, Negredo and Silva add to the rivalry

Tata does not fear Pellegini: "We will be well-prepared"

A possible Sevilla derby in the quarters

Maradona asks that the Balon d'Or go to Cristiano Ronaldo

Spanish Fiscal Authority to investigate Rosell and Neymar's contract

11 'Cholos' against the seven-time European champions

Atletico who are in great form meet Milan and Kaka, a sleeping giant

A game among many difficult tests

Schalke play Real Madrid and they are a comfortable rival amid a tricky fixture list

The worry is that Madrid have only one win in 25 games in Germany

Salvo gets rid of Djukic, Pizzi and Ayala are possible replacements

The Good; Schalke v Real Madrid

The Bad: Milan v Atletico

The Ugly: City v Barcelona

Madrid satisfied with their rival

Atletico motivated by the unfriendliness of Muntari

Ferran Soriano, Txiki, Aguero, Silva, Negredo, Pellegrini

Europa League: Ruban Kazan v Betis, Maribor v Sevilla, Dynamo Kiev v Valencia

"Messi has had many injuries, Ronaldo deserves the Balon d'Or," Maradona

Maradona votes for Ronaldo

Salvo fires Djukic: Nico Estevez, the technical coach, will take over for games Nastic and Madrid

Del Bosque to give his 30-man list on 15 May and those in the final 23-man squad on the 25

Martino gives a break to Pique and Busquets

Xavi is out injured

Big Match

City v Barca in the knockout rounds

The best duel in the Champions League promises to be a great spectacle full of stars and old friends

Tata: "They will not have liked the draw either"

Pellegrini: "I believe that Barca should be real worried"

Schalke v Real Madrid: Easy for Los Blancos

Milan v Atletico: A great but under-par rival

Puyol returns to Camp Nou

Rosell and Iniesta near an agreement

Djukic is gone and Estevez takes over

Premier League: Villas-Boas out after 0-5 loss to Liverpool

La Liga - Club News