Manchester United's match against Como is in serious danger of being postponed due to severe weather conditions. United are due to play their third Champions League match of the season in Lombardy against Cesc Fabregas' side. However, the clash at the 13,600-seat Giuseppe Sinigaglia stadium may not take place due to heavy rain. Forecasts call for 64 millimetres of rain before the match, while the bad weather is expected to continue until the end…