straight to your inboxFrank Lampard admits Manchester United probably have the 'most potent' forward line in all of English football.United will be relying on their attacking flair to make all of the difference on Sunday when they take on Chelsea in the FA Cup semi-final at Wembley. Ole Gunnar Solskjaer's side have been in immense form since the return of football last month and remain unbeaten in their last 19 matches across all competitions.