On 21 October 2010, Liédson entered Sporting's history books as he scored the club's 200th goal in European competitions, netting twice in a 5–1 home win against K.A.A. Gent for the season's UEFA Europa League.
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He lost his place to Hugo Almeida for the following match, but both found the net in the 7–0 routing of North Korea on 21 June 2010, in Cape Town.