SOUTHEND United suffered three injury setbacks during Saturday's 1-0 defeat to Mansfield Town.
Right-back Elvis Bwomono was taken off with a back problem at half-time before midfielder Alan McCormack and the versatile Greg Halford also had to be substituted.
And Blues boss Mark Molesley will nervously be waiting to see how the injuries settle down.
"Elvis did well to start the game to be honest but his back locked up and he had to come off," said Molesley.
"Macca came off with a calf issue we will have to monitor and Greg has felt his shoulder.
"That will need checking and we will have a few in the medical room now."
Blues will also be without Timothee Dieng against Bradford City on Tuesday night after the Frenchman serves a one match suspension following his red card against Mansfield Town this afternoon.
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