CARDIFF have sent a letter to the Premier League which says Crystal Palace's 3-0 victory should not stand, according to the BBC.
The BBC said it has seen a five-page letter sent by the Bluebirds's lawyers claiming it has proof sporting director Iain Moody succeeded in obtaining their line-up before the game.
The letter also alleges Tony Pulis knew what Moody was doing.
Palace have strongly denied the claims but Cardiff have questioned the integrity of the match and said Palace have breached league rules.
Malaysian chairman Vincent Tan wants the Premier League to take serious action against the Eagles, who all-but secured their survival with a 3-2 victory over Everton at Goodison Park last night.
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