Manchester United are facing legal action from their own fans over the controversial 'automatic cup scheme'.
United played 10 home cup games in the past campaign and a repeat of that would see a minimum of £390 added to the cost of the most expensive season ticket next season.
The Manchester United Supporters' Trust have already engaged a leading legal firm to act on their behalf and are ready to take the matter to the courts.
A MUST statement said: "If the club confirms that the ACS is now compulsory for all season-ticket holders, we will be exploring the possibility of them taking legal action."
But the club are in a position of strength. Old Trafford, with a capacity of 76,000, sells out for every match and there is a 14,000-strong waiting list for season tickets.