Sheffield Wednesday are in store for yet another huge summer rebuild, though fans will be hoping that this one lasts. Every summer it seems Sheffield Wednesday release a load of players, and then bring in another horde of free agents. And this summer may well be similar. The Owls have a number of players set to see their contracts expire and set to see their loan deals come to an end, meaning that Danny Rohl and co will simply have to hit the transfer market hard. But the club will be hoping to avoid a repeat of this summer where a number of key first-team players are out of contract. That, an…