Of course, Lionel Messi features here. Of course.

They've written themselves into football folklore.

Some were disastrous, others were more reliable.

Some pioneers of the game made the move to Spain.

An absolute wizard with the ball at his feet.

They received a LOT of money over the years.

Manuel Pellegrini built more than one iconic side.

All it takes is one spark to turn it around.

Some great shouts, some absolute stinkers.

Some didn't do well, some were absolute bargains.

It's hard to imagine some of them in a red shirt.

You'd feel like a proud dad watching them score.

The Duck was utterly sublime in his prime.

Some big names could be available on the cheap.

A fair few chose Chelsea instead.

Excitement was extinguished within weeks.

Romelu Lukaku's move to Inter doesn't make the 10.

Where would this team finish in the league?

Fabio Vieira will want to do better than this lot.

He'd be ideal competition for Bukayo Saka.

They're all good, young and will cost a fortune.

Who should Mikel Arteta target to add more goals?

Real Madrid haven't been afraid to spend big.

Some unattached alternatives to big-money buys.

The Arsenal pair were looking lethal.