Sunderland - Manchester City

The 24-year-old Croatia international continues to be a central figure in the club's long-term plans

The procedure was carried out to resolve the issue, and the Spanish international will now begin a short rehabilitation programme before returning to full training

The 46-year-old Italian has signed a three-year contract with the reigning Premier League giants

Had the deal gone through, it would have become the most expensive signing in City’s history