<p>When Manchester City's owners appointed Roberto Mancini in late 2009, the message was clear: this was the man who would overtake the Blues' illustrious neighbours and restore the club to the pinnacle of English football.<br><br>The former Italy playmaker swiftly repaid their faith, following up an FA Cup triumph in his first full season with the Premier League title ? won in the most heartstopping fashion imaginable ? to continue a success sto...