If they sell them!
Even then, £10M is only a fraction of the £100M they get just for being in the PL, and that £100M is realistically just their starter for more. Yes, an extra £10M is a lot to you and me, and yes, it would make a difference, but not a huge one at the level that top PL clubs...
Yes, they've got a whale of a problem now that they're in the wrong plaice - makes you wonder what the porpoise of the move was. Load of codswallop really....................
I'm sure I've heard it said/seen it written that for top clubs ticket revenue is just a drop in the ocean compared to their other revenue streams - even to the extent that it probably wouldn't affect them much if they stopped charging for admission (or at least could afford to hugely reduce...