<!--Article Start--> <h3 style="text-align: justify">Manchester United legend Sir Alex Ferguson as been labelled as his "Father of Football" by Real Madrid superstar Cristiano Ronaldo, who <a href="http://www.bbc.com/sport/0/football/34467279">reveals</a> in the documentary 'Secrets of Success', to be aired on the BBC at the weekend, that it is due to the compassionate side of the Scot.</h3> <h3 style="text-align: justify"></h3> <p style="text-align: justify">Sir Alex was known for his no-nonsense approach when dealing with unprofessionalism or lack of commitment within his squad.</p> <p style="text-align: justify">The fiery Scot, however, also had an incredibly compassionate side, as revealed the Portugal super star Cristiano Ronaldo.</p> <p style="text-align: justify">The Portuguese revealed in the documentary 'Secrets of Success' that how Sir Alex had given him compassionate leave to visit his sick father during the season.</p> <p style="text-align: justify">Ronaldo concluded the story by labeling the former Manchester United boss as a unbelievablea and said that he was his a father of footballa .</p> . <p style="text-align: justify">The video clip of Ronaldo's story on Ferguson can be seen below:</p> <!--Article End-->