Can you name all the Premier League shirt sponsors?

Our Photoshop "experts" have had their wicked way with the English Premier League shirts, displayed below. How many of the missing sponsors can you name? And if it's only about half, as it is for most of the people we asked, what does that mean for brands spending millions on belly-based adverts?

Scroll to the bottom and we'll point you at the answers – but do take the quiz, and don't cheat...

Think you know the answers? Click here to see the sponsors unveiled