Possible O'Hare exit too much for Blades

[Getty Images]Chris Wilder made it clear before the summer even began that there was a possibility players would leave Sheffield United in the transfer window.The loss of parachute payments made it inevitable. Plus, an argument could be made that a little bit of a refresh wouldn't be a bad thing, to give a shot in the arm to United's hopes of once again competing for promotion.However, if Callum O'Hare departs, it'll be too much. There's a bid in from Wrexham. It sounds like a decent offer. Give