Manchester United will play Manchester City at Old Trafford today, today's match will determine Manchester City title and Manchester United top four because if Manchester United win today's match it means that Liverpool fans will happy with the Result and probability that Liverpool will win the league is 80% and probability for man united to be in top four is 60%, so today's match is very dangerous  for both team. Manchester City defeated Manchester United last season by 2-1 at Old Trafford  under Jose mourinho and since Manchester United started recruiting manager after sir alex Ferguson retired , manchester city always defeated new Manchester United manager as first Manchester derby  and ole gunnar solskjaer is the new Manchester United manager, can he taste first defeat in Manchester derby. The teams have played 177 matches and Manchester United won 73 while Manchester City won 52 and drawn 52 .The first Manchester derby is 1881.