We’re giving fans ‘watching’ this Monday’s momentous derby clash with United the chance to win a signed shirt.

That’s right. All you need to do is download the free Fanatix app for iPhone or iPad and make sure you click ‘watching’, ‘attending’ or 'tracking' on the City v United fixture and you could be in contention to win a City home shirt signed by Sergio Aguero, Joe Hart, David Silva and co.

Fanatix is a great free app that allows you to track sporting events around the world and join in the debate with friends on Twitter and Facebook as the action unfolds.

There will be 48,000 people crammed into the Etihad Stadium on Monday night – make sure you’re part of the Fanatix crowd.

Download Fanatix for free:

Mobile: http://manc.it/KjWCp2

iPad: http://manc.it/IyYgC4

Terms and conditions apply: The winner of the signed shirt will be selected at random from all fanatix users who check in (watching, attending, tracking) and start a group chat with a friend on the fanatix app.