Cesc fears for his future
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The Spanish midfielder was substituted 63 minutes into Barcas 1-0 Nou Camp victory over Valencia on Sunday.
Despite starting all three La Liga games so far this season, Fabregas is unhappy at having to play cameo roles for his boyhood club.
Fabregas, who returned home last summer for £30million after eight years at Arsenal, told Radio Marca: Theres no such thing as a great substitute in the world of football.
I couldnt tell you what makes a great substitute.
I always wish my team-mates well and put a happy face on.
If I have to take my unhappy face home, so be it. But Id never let my team-mates or manager see it.
The versatile 25-year-old competes for a starting berth in the centre of the park with Andres Iniesta, Xavi, Sergio Busquets and new recruit Alex Song, his former Gunners team-mate. Fabregas added: Everybody likes to play every minute of the season.
Ive always said I play for the best team in the world.
But I came here to compete, to learn and enjoy, not to sit racking my brains.
The manager knows what I can offer. But across the three positions I can play, I am competing with the three best players in the world.
Im delighted to be a part of this team. But when a coach tells me I have to go, Ill go.
I will not make it easy for him to do so, though. I will keep going, looking forward to the time when things change.
I came here to see out my career.