Sunderland have officially announced the signing of Ivorian winger Jocelin Ta Bi, who had looked set to join Celtic this month. The 20-year-old, who was on loan at Hapoel Petah Tikva from Maccabi Netanya during the first half of the season, was widely tipped to complete a move to Celtic Park in January after the Hoops reached an agreement over a deal worth just shy of €3 million. However, his medical with Martin O’Neill’s side reportedly flagged up an ankle problem and the Scottish giants opted to withdraw from negotiations over a January deal. Premier League side Sunderland...