Cristiano Ronaldo said the death of his newborn son in April was “the most difficult moment” of his life.In the latest excerpt of his interview with Piers Morgan on TalkTV, the 37-year-old spoke about more personal moments having heavily criticised Manchester United in previous clips.Ronaldo’s girlfriend Georgina Rodriguez gave birth to twins earlier this year but while his daughter Bella survived, Angel tragically died.Source: PA, TalkTV