Chelsea star Juan Mata is 'sad' about not being included in the Spain squad for the upcoming World Cup 2014 qualifiers against Belarus and France, according to Blues teammate Fernando Torres.

Despite a fine start to the season in the Blue of Chelsea, Mata failed to make Vicente del Bosque's 23-man Spain squad as La Roja continue on the path to defend their 2010 title.

Torres can't quite comprehend how his Chelsea colleague and compatriot has been overlooked by Del Bosque, with Mata one of the Stamford Bridge club's stars of the campaign so far.

But, says Torres, the strength of the Spain squad is so deep that some quality players will always be left out whenever the national side meets up.

"Mata is sad about not coming to the national team, but he is playing well. I won't talk much about him because I can't be objective," Torres told reporters, as quoted by

"We have very versatile players and that is very useful. Today we have the 23 players the coach believe should be here. In Spain we are lucky to have more than 23 players able to come. Those who have been out at times, we know how good they are."

Torres, meanwhile, will be returning to the Vicente Calderon for the first time since leaving Atletico Madrid for Liverpool over five years ago when Spain meet France next Tuesday in the Spanish capital.

And the former Atleti captain says the chance to play at the Calderon once again is a moment he has longed for.

He added: "This is the first time I'll play there if God wants. It will be an important and special day."

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