Popular defender Drew Talbot has learned the extent of the injury that saw him being replaced early in Tuesday night's win over Colchester United.
Talbot set up Gary Roberts' opening goal but was substituted after 26 minutes having pulled up holding his thigh after a routine sprint down the touchline.
Rodger Wylde, the club's head of sports science and medicine, gave details of Talbot's injury and the circumstances around it.
He said: "As everybody saw, Drew did a little shimmy down the line and just after he had completed the manoeuvre his hamstring popped like you see with 100m sprinters.
"Just prior to that, two minutes before the injury, he had complained of a tight hamstring he'd felt. I spoke to him while he was getting a drink during a break in play and told him that he had to come off.
"He said that he'd be all right, I couldn't drag him off and I trusted Drew as he's a sensible lad and he knows about his body. Just after that he sprinted for a ball and it'd been all right so he thought it might just be a bit of cramp in there."
Having hobbled down the tunnel, Talbot has been carefully looked over and Wylde explained where the 28-year-old now stands.
"On assessment it turns out that Drew has a grade one hamstring tear, so we're in the early stages of treatment now.
"We had the long-standing problem with Drew and his injuries, but the good news is that this injury is completely unrelated, it's not even in the same category. We know what this is and can judge how long he'll be out for.
"Drew wants to play football and this is the time of the year that's exciting. If we were to get to the Wembley play-off final, that's the sort of time Drew would be back and available."