The midfielder became a star at Arsenal after being plucked from Barcelona’s youth ranks by Arsene Wenger.
Fabregas’ move to arch rivals Chelsea from Barcelona destroyed his reputation among a large section of Arsenal supporters.
And now he is ready to inflict further pain on them in the domestic season finale.
‘Yes, it will be emotional,’ he said.
‘It’s not as if I like to play against Arsenal, because they are a club which is in my heart and they will always be.
‘But this is football, and this is what we have to do. It can happen and hopefully we can win the double. That would be a fantastic season for us.
‘I have to put those feelings aside. You have to be professional. Of course it means a lot to me, it’s not an ordinary game for me.
‘It will be a tough game. I watch Arsenal. They are playing well, they are playing a different system and maybe they are not performing fantastic in this system.
‘But they are defensively better.
‘They are winning, and that’s important for them. Their belief is higher. But our belief is high [too].
‘Hopefully we can hurt them in the way we want.
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‘Imagine that [the double]. It would be fantastic.
‘It would be fantastic for the players. It would be fantastic for the manager.’