Cesc Fabregas tops WhoScored's list of debuts from the weekend but you might also be surprised to see Patrick van Aanholt and Andrew Robertson in there...
We could have done practically a whole quiz on Chelsea's loanees but instead we've gone for the traditional one question per club...
1. Which 2002 World Cup winner did Manchester United sign for £6.5million in 2003?
2. Who was crowned the 2011 Copa America Young Player of the Tournament before moving to the Premier League last summer?
3. What nationality is Southampton goalkeeper Paulo Gazzaniga?
4. Wigan striker Franco Di Santo was recently awarded his first call-up for Argentina. Name the other two clubs he's played for in England.
5. Which former Man United player was Sir Alex Ferguson speaking of when he told reporters: "He is a f**king great player. And you're all f**king idiots."
6. Which English club was former Newcastle forward Faustino Asprilla reportedly close to joining in 2002?
7. Who scored twice for AC Milan in the 2005 Champions League final while on loan from a Premier League club?
8. Which Bolivian forward spent the second half of the 2009/10 season on loan to Wigan from Shakhtar Donetsk?
9. How many English clubs had Nolberto Solano played for?
10. Name the first Brazilian to play in England, who signed for Newcastle for £575,000 in 1987.
11. Former Spurs midfielder Ossie Ardiles was player-manager of which club between 1989 and 1991?
12. Which Brazilian did Sunderland sign for £4million from Chelsea in 2000?
13. Which current Premier League player won the Bola de Oura - awarded to the best player in the Brazilian Serie A - in 2006?
14. Which striker won the golden boot five times in Portugal, but failed to score in his seven Premier League matches for Bolton?
15. Which Argentinian loanee failed to save Birmingham from relegation in 2008?
16. Which defender said Steve Bruce "doesn't like me because I'm not English" in 2011?
17. Who scored Man City's goal in their 8-1 defeat to Middlesbrough on the final day of the 2007/08 season?
18. Which former Chelsea player scored Barcelona's winning goal against Arsenal in the 2006 Champions League final?
19. Who did former Liverpool winger Maxi Rodriguez sign for in the summer?
20. What is the nationality of Cristian Benitez - the striker who scored three goals in 30 appearances for Birmingham in 2009/10?
Come this way for the answers...