The squad came through Saturday's draw at Aston Villa with no further injuries but the busy schedule of eight games in the last month is taking its toll.
"The players are not too bad," said Glenn. "A few are carrying head colds and the fatigue levels are a bit low but it's the same for every club at this time of year."
Goran Bunjevcevic is likely to be the next player to return after his thigh strain and is back in full training.
That leaves Stephen Clemence (groin), Gary Doherty (broken leg), Stephen Carr (knee) and Chris Armstrong (groin/pelvis) fighting their way back to fitness.
Glenn Hoddle has revealed that fatigue is the biggest problem going into our New Year's Day clash against Blackburn Rovers at the Lane.