Genoa striker Krzysztof Piatek is set for a medical at Milan on Wednesday morning, Goal understands.
With the Polish striker joining the Rossoneri, on-loan forward Gonzalo Higuain will be clear to complete his long-rumoured move to Chelsea.
Chelsea will land Higuain on a six-month loan with an option to buy the striker outright at season's end for £32.5 million (€36m).
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Higuain spent the first half of the season with Milan on loan from Juventus, with the Rossoneri keen to find a replacement before sanctioning the Argentine's move to Stamford Bridge.