WhoScored.com look at five sides who, after the opening four matches of the season, seem to have made tactical alterations to their style over the summer...
In tribute to the rather good Diego Costa and Cesc Fabregas, we bring you a quiz on all things Spanish in the Premier League...
1) For which club - who play at Nuevo Colombino - was Santi Cazorla playing when he received the Spanish Player of the Year award in 2007?
2) Christian Benteke was signed by Aston Villa from which club?
3) Juan Mata won the European Under-21 Championship in 2011. Name either of his two teammates who are also playing in the Premier League.
4) Marouane Fellaini has won the Ebony Shoe. What is the Ebony Shoe?
5) Name either of the two players to have broken up Dimitar Berbatov's domination of the Bulgarian Footballer of the Year between 2002 and 2010.
6) Against which team did Luis Suarez make his Premier League debut and score in a 2-0 win?
7) Pablo Zabaleta won Olympic gold in 2008. Which of his teammates also plays in the Premier League?
8) Robin Van Persie was one of six Dutch players who started the 2010 World Cup final who have played in the Premier League. Name the others.
9) Which manager deemed Demba Ba surplus to requirements at Watford in 2005?
10) Which manager signed Sebastien Bassong for Newcastle?
11) Name two of the three strikers who scored more goals than Adel Taarabt in the Championship season of 2010/11. All three are now in the Premier League.
12) Name three of the four clubs Nicky Shorey played for between spells at Reading.
13) Apart from Southampton's Adam Lallana, who is the only other player called up by England in 2012 who is yet to make his debut?
14) At which overseas club did Ryan Shawcross have a loan spell while at Manchester United?
15) Steven Fletcher is a two-times winner of the SFWA Young Player of the Year. Name either of the players who won the award in 2009-10 and 2010-11 and then flopped at Premier League clubs.
16) Name Michu's hometown club. Clue: He joined many others in helping them out this year.
17) Jan Vertonghen was named Eredivisie Player of the Year last season. Which curent Premier League player won it two years before?
18) Claudio Yacob's nickname at Racing was La Flaca. Does that mean a) 'The Destroyer' b) 'Skinny Girl' or c) 'Silly Boy'.
19) From which Madrid side did Wigan sign Momo Diame?
20) With which club did James McCarthy win the Scottish First Division?
The answers are this way, lovely people...