The Ukrainian striker went down with a bout of 'flu on Saturday night and that robbed him of a place in the 16.
Defender Ben Thatcher was also missing after being hit by food poisoning.
"We've had a bit of illness around the camp," explained Glenn after a memorable 4-3 win. "Sergei would have been on the bench today but unfortunately he went down with a heavy bout of flu overnight.
"The doctor went out to see him this morning and in the end it just wasn't to be for either him or Ben. We'll now see how they are in the next couple of days."
Glenn Hoddle revealed that Sergei Rebrov would have been on the bench against Everton on Sunday but for illness.