Here is a full list of summer transfers in 2015. It's sparse now but it will get busy...
You can dislike the punditry, but Merse is an impossible man to loathe. 'It'd be like hating a shaggy dog that runs up to you and wants you to throw it a stick,' say the boys...
1. Which club did Sebastien Bassong join on loan from Spurs in January 2012?
2. From which club did QPR sign Djibril Cisse in January 2012?
3. Name the midfielder Manchester City signed on loan from Roma in January 2012.
4. Which Argentine midfielder did Blackburn sign from Newell's Old Boys in January 2011?
5. Who did Aston Villa midfielder Stephen Ireland join on loan in January 2011?
6. Against which team did Andy Carroll make his debut after joining Liverpool for £35million in January 2011?
7. And against which team did Fernando Torres make his debut after joining Chelsea in the same window?
8. How many goals did Fernando Torres score in 18 appearances for Chelsea in the 2010/11 season?
9. Which former Liverpool defender did Sunderland sign on loan from Wolfsburg in January 2011?
10. Which former Arsenal midfielder did Man City sign in January 2010?
11. Name the winger Real Madrid signed on loan from the Premier League in January 2010.
12. Which striker did Chelsea sign from Bolton in January 2008?
13. Which other London club did Alex Song join on loan from Arsenal in January 2007?
14. In what year was the first January transfer window?
15. Which World Cup winner rescued Birmingham from relegation after signing for the club in January 2003?
16. Who helped to save West Brom from relegation after joining on loan from Manchester United in January 2005?
17. Name the winger who will join PSG this month after a £35million deal was arranged in the summer.
18. Who is the third most expensive January transfer in Premier League history behind Fernando Torres and Andy Carroll?
Edin Dzeko, who joined Man City for £27million in January 2011
19. Name Manchester United's most expensive signing in the January transfer window.
Louis Saha at £12.8million in 2004
20. Which two words are associated with Sir Alex Ferguson when discussing the January window?