With the January transfer window now closed, we look at 10 of the most notable deals that were made across Europe. From surprise moves for former Premier League players, to hotly-tipped youngsters hoping to make the step up, there were plenty of intriguing deals made across the continent.Here are the standout transfers from Europe this January… Mario Balotelli (Nice to Marseille – free)Former Liverpool and Manchester City striker Mario Balotelli joined Marseille on a six-month deal after reportedly falling out with Nice manager Patrick Vieira. The wait is over ? #MarioEstOlympien ⚪️? pic.twitter.com/XzikKzIs3c— Olympique Marseille (@OM_English) January 23, 2019 The 28-year-old’s move was a free transfer, and the striker is set to earn a total of £2.6m until the end of the season, according to Sky in Italy.Balotelli continued his impressive run of goalscoring debuts on his first appearance for Marseille in Ligue 1, netting in a home defeat to Lille. Kevin-Prince Boateng (Sassuolo to Barcelona – loan)Arguably the most surprising move of the January transfer window saw former Tottenham and Portsmouth midfielder Kevin-Prince Boateng join Barcelona on loan from Sassuolo.Having started his career at Hertha Berlin before signing for Spurs in 2007, the six-month loan to Barcelona marks the…