Mark McAllister has admitted he may have to call time on his career because of persistent injuries.
The former Linfield, Portadown and Crusaders ace has been unable to train at Dungannon Swifts due to a recurring achilles injury.
Still only 30, McAllister, who won three Premiership and three Irish Cup medals with the Blues, shouldn't be thinking about the end game but his frustration has reached a new height.
"I'm only 30 and I should have a few years left, but I'm just not fit to play and it's very frustrating," he said.
"I do have fears about my career. I've just bought a house and am busy with work which has taken my mind off it.
"I couldn't commit to training and I'm not fit. I'm not sure what the story is now. I'm pain free but the problem reoccurs when I start running.
"I've thought about packing it in and doing a bit of coaching. I don't miss the game yet.
"If I could make a full recovery I may try to give it a go again, I have a contract until the end of next season but the injury is doing my head in.
"I'm not sure what to do now. I've had shocking luck with injuries from my Portadown days.
"I'll see how things are after Christmas.
"Kris Lindsay (Dungannon Swifts manager) has been very understanding and I appreciate that."
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Smyth has struggled to secure a regular first team place under boss Steve McClaren.