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Games between Liverpool and Manchester United are always highly combustible affairs, but the October 2011 edition was ignited by a racism row during the match.
Manchester United defender Patrice Evra claimed that Suarez had racially abused him during the 1-1 draw at Anfield, as BBC Sport reported.
As a result, Suarez was handed an eight-match ban and a £40,000 fine by the Football Association in December 2011.
After the FA punishment was announced, Liverpool players wore t-shirts in support of Suarez as they warmed up for a Premier League match at Wigan, and they issued a statement in support of the forward, as BBC Sport reported.
The statement said:
'We totally support Luis and we want the world to know that,' the statement continued. 'We know he is not racist.
We have lived, trained and played with Luis for almost 12 months and we don't recognise the way he has been portrayed.
We will continue to support Luis through this difficult period, and, as a popular and respected friend of all his team-mates, he will not walk alone.'
Then-Liverpool manager Kenny Dalglish also voiced his support in the same article.
Dalglish was quoted as saying:
We have said we will always support him, and we will.
That is not just the people at the football club, it's the people who the football club means something to.
They know that Luis Suarez means a great deal to them and he has got mutual respect for the fans.
There is a fantastic relationship there and nothing will break it.
However, the controversy surrounding the incident did not end with the FA punishment.