straight to your inbox every day for freeOle Gunnar Solskjaer has told the Manchester United players being handed a rare chance to impress against Watford to take their opportunity to show they should be involved more often.Solskjaer has made nine changes for the Old Trafford tie, with only Dean Henderson and Scott McTominay retained from the side that faced Manchester City in midweek.Only United, City and Tottenham, of Premier League sides, had a game in midweek and United are in action again