Arsenal midfielder Jack Wilshere was recently fined £40,000 and warned as to his future conduct after an expletive-laden rant mocking Tottenham Hotspur at his club's 2015 FA Cup winners' parade.
Although he could have chosen his words better, Wilshere is not the only footballer to admit to hating a rival club.
Here are five others who have...
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Wayne Rooney: Liverpool
The England captain and boyhood Everton fan admitted to Manchester United's television channel in 2009 that his disdain for Liverpool had not waned with age.
Rooney has won five Premier League titles with United - helping them to surpass Liverpool as England's most successful club.
However, only five of his 247 competitive goals for United have come against the Reds and he has not scored at Anfield since January 2005.
Craig Bellamy: Chelsea
In his 2013 autobiography, Goodfella, Bellamy accused Chelsea fans of not singing Gary Speed's name before their League Cup match against Liverpool shortly after his death. Bellamy admitted that he disliked the club's supporters and wouldn't want to play for them.
The former forward, who now coaches in Cardiff City's academy, admitted this year that he was unimpressed when a 12-year-old Cardiff player told him that he dreamed of joining Chelsea.
Wojciech Szczesny: Tottenham Hotspur
Like Wilshere, Szczesny is known for being very outspoken with regard to his disdain for Tottenham, dating back to his 2012 admission that he was driven to finish above Arsenal's north London rivals by his hatred of them.
After Tottenham were thumped 6-0 by Manchester City the following year, the Polish goalkeeper compounded their misery by posting on Facebook: "Wonderful scenes at the Etihad..."
He also took a selfie on the White Hart Lane pitch after Arsenal's 1-0 derby win last year.
Gary Neville: Liverpool
The former Manchester United captain and right-back told a club fanzine: "I can't stand Liverpool, I can't stand the people, I can't stand anything to do with them," leading to United fans creating the chant "Gary Neville is a red, he hates Scousers".
Neville also famously ran the length of the Old Trafford pitch in October 2006 to celebrate Rio Ferdinand's late winner against Liverpool in front of the away supporters. He was fined £5,000 by the FA, but showed no remorse and claimed that Liverpool fans regularly abused him.
Interestingly, the lifelong United fan admitted in 2010 that his hatred of Liverpool stemmed from being jealous of their success as a child.
Steven Taylor: Sunderland
The versatile Newcastle United defender said in 2012 that he "would rather go and collect stamps" than play for Sunderland and that none of their players could start for the Geordies.
Former Newcastle manager Alan Pardew had to block Taylor from wearing boots embroidered with the words 'stamp collector' for a 2013 Tyne-Wear derby.
However, Taylor praised Sunderland fans for raising £33,000 in aid of local good causes after the deaths of Newcastle fans John Alder and Liam Sweeney.
Which clubs really get your goat? Let us know below!
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