Clark said: "Antony Kay reported ill to the physio at 8.30 on Saturday morning. He didn't actually sleep due to sickness and to be fair to the lad he has already seen the doctor, who reckoned he'd be ok in about two to three days.
"It's a tough one for us. At least I will have Nathan Eccleston available for Wycombe (on Saturday), because I didn't have a lot on the bench to change things around.
"That is no disrespect at all to the lads on the bench as they are very good players, but all of them are more defensively minded."