Today, Krzysztof Piatek signed with Milan, moving from Genoa. With this being complete, Gonzalo Higuain left the Rossoneri club (in which he was on loan with from Juventus) and has now officially transferred to the Premier League to be a new reinforcement for Maurizio Sarri's Chelsea.
Here is the official announcement from the club: "Gonzalo Higuain has today joined Chelsea on loan for the remainder of the season. The 31-year-old striker moves to Stamford Bridge from Italian side Juventus. He spent the first half of the campaign on loan at AC Milan where he scored eight goals."