They ended last season as runners-up to Monaco after winning four successive Ligue 1 titles. However, the appearance of the Brazilian superstar is no certainty... It's believed both Ligue 1 clubs have reached an agreement over Mbappe and all that's left to process now is the legal documents.
In another attractive piece of symbolism, the Guingamp manager is Antoine Kombouare. He has been the subject of ten front covers in just over three weeks.
Should he move to Ligue 1 this summer? "The transfer is complete, so this should not last".
"At a big club it's totally different, there is pressure every day, and even in one game if you don't score, it is hard".
"We all want him to start playing as soon as possible", said Paris Saint-Germain boss Unai Emery in his pre-match press conference - before the news of the ratification had come through.More news: McConnell Stalls Republican Obamacare Fix, Bewilders Trump
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Paris Saint German record signing Neymar is set to make his debut in his new club's colours on Sunday August 13 as they visit Guingamp.
There had been questions regarding breach of Uefa's Financial Fair Play rule after the Neymar deal, but the French giants were confident they were in the clear and have now made the strongest statement of intent this season.
Coincidentally, Mourinho does look set to land PSG right back Serge Aurier as he looks for reinforcements following the loan departure of Timothy Fosu-Mensah to Crystal Palace.
'There's no anti-Neymar plan, ' said Jordan Ikoko this week.
"The way we will adapt being close to a player like him... Neymar is better for us".
Lyon's youthful side started with a 4-0 thumping of Strasbourg last week and travel out to Brittany to take on Rennes today. Italian legend of the player, saying it sounded "fake".