We all know about the successful overseas transfers, but it's domestic moves which can often be the difference between success and failure.
For instance Thierry Henry, Cristiano Ronaldo and Sergio Aguero all arrived in England from foreign leagues and transformed the fortunes of their respective clubs.
However what about domestic transfers that have done the same job?
Since the creation of the Premier League in 1992 there have been a number of transfers between competing Premier League clubs that have changed the power shift within England's elite league.
Arsenal and Chelsea are both reportedly tracking Luis Suarez, with Arsenal having a £30 million bid turned down for the want-away Uruguayan, according to BBC Sport.
If either side were successful in capturing Suarez it would change the dynamic of the title race massively.
Listed below are ten previous domestic transfers that have had a significant impact on the Premier League title chase.
10. Rio Ferdinand - Leeds United to Manchester United - 2002
Ferdinand’s controversial £29.1 million move across the Pennines from cash- strapped Leeds saw him become the world’s most expensive defender for the second time. The former West Ham man has enjoyed incredible success with the Red Devils by winning the Premier League title on six separate occasions.
9. David Seaman – QPR to Arsenal - 1990
Although Seaman joined Arsenal before the Premier League era began, his impact upon it would be enormous. The former England keeper achieved remarkable consistency with the Gunners, winning eight major trophies to ensure his status as a club legend.
8. Wayne Rooney – Everton to Manchester United - 2004
Whilst his Old Trafford future is currently shrouded in uncertainty, Rooney has enjoyed much success with Manchester United. Since his move from Everton the England man has played a key role in the Red Devils winning five Premier League titles and a Champions League medal.
7. Sol Campbell – Tottenham Hotspur to Arsenal – 2001
Campbell did the unthinkable in 2001 when he moved across North London on a free transfer. The centre-back helped to solidify Arsenal’s defence and was a crucial factor in their undefeated Premier League season. The former England defender also scored against Barcelona in the 2005/06 Champions League final.
6. Robin van Persie - Arsenal to Manchester United - 2012
Van Persie’s £24 million transfer from Arsenal was significant in restoring Manchester United’s stranglehold on the Premier League. The Dutchman finished the 2012/13 season as Premier League top scorer with 26 goals, avenging the club’s last-gasp agony from the previous season at the hands of rivals Manchester City.
5. Carlos Tevez - Manchester United to Manchester City – 2009
City’s signing of the talented Argentinian was controversial due to third-party ownership issues. However Tevez’s move across Manchester was an important signal of intent, and one of the factors contributing to City’s incredible title win of 2011/12.
4. Alan Shearer - Southampton to Blackburn Rovers - 1992
Before later moving to his hometown club, Shearer enjoyed great success at Ewood Park. The Geordie target-man formed a great partnership with Chris Sutton which was integral to Rover’s shock capture of the Premier League title in 1994/5.
3. Roy Keane – Nottingham Forest to Manchester United - 1993
Keane left the City Ground for a then British record fee of £3.75 million - nothing short of a bargian.The Irishman was the leader of the team throughout Sir Alex Ferguson’s most successful years, winning the title a stunning seven times.
2. Eric Cantona - Leeds United to Manchester United - 1992
There is a reason those at Old Trafford call Cantona ‘The King’. The Frenchman helped United to their first title in 26 years and was a catalyst to their contemporary success, justifying his £1.2 million move as one of the most important domestic transfers in the Premier League era.
1. Frank Lampard - West Ham to Chelsea - 2001
Lampard has arguably been Chelsea’s most important player in the successful Roman Abramovich era. Since moving from West Ham he has combined regular goals from midfield with fantastic consistency. Chelsea’s historic title win of 2004/05 owed much to Lampard’s drive, and helped to establish the west London club as a top Premier League outfit.
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