Nigeria U23 international Sadiq Umar is set to undergo surgery on his left ankle.<br /><br />An examination on the 19-year-old striker by Bologna medical staff showed a small detachment of the medial malleolus, caused by a blunt-sprain suffered during the last training conducted in Trigoria.<br /><br />Umar, who is on loan from Roma, is scheduled for surgery early next week after a joint consultation from both club medical staff and he is expected to be out of action for 30 days.<br /><br />It would be recalled Sadiq Umar scored four goals for Nigeria during the Rio Olympics in Brazil.<br /><br />This season, he has appeared five times for Roma in the Italian top-flight.<br /><br />Niyi Adesanya <br /><br />Photo Credit : fifa.com<br />