Premier League fans might recall Ivan Klasnic for being the big, bulky centre-forward who was one of Bolton's star men during their fight against relegation in 2012.
However, these days, Klasnic has a much more important battle on his hands after suffering kidney failure.
In an article published by The Sun, the 36-year-old has been told he requires a third kidney transplant to survive.
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Klasnic moved to Bolton in 2009, initially on loan, but even by then he had gone through two separate transplants.
The first kidney, coming from his mother in 2006, was rejected so a second operation a year later was required.
On that occasion, the organ was donated by his father and it was believed to have been a success so the striker returned to playing.
But, three years after retiring from the game, Klasnic is on the lookout for another donor as his body has now rejected the second kidney.
Any other potential donations from relatives would be too dangerous to attempt again given how Klasnic's body has reacted to the previous two.
In the meantime, the ex-Bolton forward will have to continue his current routine of going to the hospital three times a week for dialysis treatment.
And Klasnic revealed that he is yet to tell the severity of his illness to his 9-year-old daughter Fabianna.
“Everything should be like normal for her. She knows I am sick and often need to go to the hospital, but she does not know why. I do not want to scare her,” he told The Sun.
The current waiting list for transplants in Germany is seven years should he be unable to find a suitable donor.
Hopefully that will not be the case, however, and he can come through a third operation safely. Get well soon Ivan!