Full back sustains ankle injury at Stortford.
Speaking after the game, Joe said: "The U's had managed to avoid too much in the way of injuries during the pre-season build-up, but Tosin was substituted after just 14 minutes in the game at Stortford after landing awkwardly on his ankle.
Colchester United boss Joe Dunne will assess the fitness of right back Tosin Olufemi after he picked up an ankle injury at Bishop's Stortford on Wednesday night. We've got some good minutes into Marcus Bean and Alex Gilbey tonight.
"We nearly got through pre-season unscathed but Tosin has picked up an injury in the first half. He came down heavily and has got a problem with his ankle, and we will get it looked at over the next day or so and work out a plan of action to get him playing as quickly as we can.
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The U's have now completed their pre-season friendly schedule and prepare for Oldham a week on Saturday.
"However, one of the positives in tonight's game was Marley Andrews, who was exceptional as he stepped up to replace Tosin."
The U's have now completed their pre-season friendly schedule and prepare for Oldham a week on Saturday.
"However, one of the positives in tonight's game was Marley Andrews, who was exceptional as he stepped up to replace Tosin."