Sassuolo have reportedly triggered the obligation to buy Lechia Gdansk loanee Lukas Haraslin for €1.5m after having secured their place in Serie A.
As the club mathematically secured a new contract in the top-flight, the Neroverdi were obligated to sign Gregoire Defrel from Roma.
Now, Haraslin is next in line, according to Sassuolonews.net, and the Slovakia international will remain at the Mapei Stadium.
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