Mario Balotelli has joined Adana Demirspor on a three-year contract, the Turkish side have announced.   The former Manchester City and Liverpool striker was a free agent after leaving Serie B side Monza at the end of his six-month deal. He has now joined the Turkish minnows, the 10th club of his career.   The club’s official Twitter account posted a picture of Balotelli wearing his new side’s shirt alongside agent Mino Raiola and Demirspor officials with the caption: ‘Today, …