By Frank Dalleres Chelsea can win their first trophy since Todd Boehly’s consortium bought the club when they play Liverpool in the Carabao Cup final – but it’s not all good news. If the Blues do upset the odds and beat the Premier League leaders at Wembley, there could be a financial sting in the tail that costs them millions of pounds or even incurs a ban from competition. The upside of winning a trophy would be some much-needed glory after a difficult start to the Boehly era, qualification for the Europa Conference League, and some justification for the £1bn Chelsea have spent on transfer f…