Liverpool have had some mixed success with these.

There are 24 players to get in 10 minutes.

Thirty-three to get.

If you get them all, please leave the house more.

There's 66 get in total.

Twenty-seven to get. Ten minutes to go.

Easy until you have to name the caretakers.

There are a surprisingly-high 30 to get.

You've got 10 minutes to name all 30.

There are some surprising names here.

Some of these were more successful than others.

He made 126 signings in his 21 years at Arsenal.

From the sublime to the ridiculous.

There's 70 to get. A mammoth task.

It will take some knowledge to get past 90% here.

Proof once and for all that age is just a number.

Twenty to get.

We expect to see 100%.

Manchester United have had plenty over the years.

There are 79 to get in 15 minutes.

36 of the most obscure England players to get.

Gareth Southgate has capped 62 different players.

34 players to name across all competitions.

Featuring a couple of strange names.

How well do you remember Man Utd's 2012-13 team?

This is a lot harder than you might think.

How well do you know the England Under-21s?

We're being pretty harsh with this one.

Gigi Buffon is the only player who's still going.

You can do this.