Owen Coyle is not prepared to put Stuart Holden's World Cup dream at risk by rushing the midfielder back too quickly.
The USA international has been sidelined since early March after breaking a leg whilst in action for his country against Holland.
But he has now returned to training and hopes to play in Bolton's final two games of the season.
The 24-year-old will be looking to prove his fitness ahead of the World Cup and Coyle would also like to have such an important player available again.
However, the Trotters manager does not want Holden to suffer a setback and has vowed not to take any chances.
"If he is ready, I will play him," Coyle told the Bolton News. "But if he is not, it would be wrong for me to throw him in there and do something detrimental.
"He's a great kid and he's got a big role to play for Bolton Wanderers in the future.
"I certainly wouldn't rule him out playing again this season, he has got a heart the size of a lion.
"But I can't and I won't jeopardise his opportunity, if it comes about, for the World Cup finals."
Holden has been targeting this Saturday's clash with Tottenham as a possible comeback date for some time and hopes to stay in contention for a World Cup call.
"If I can get a couple of games in to show that I'm available for selection, then that's all I can do," said the former Houston Dynamo midfielder.
"I felt a little sorry for myself at first but knowing I had that to aim at gave me hope. It gives me a chance to be considered for the 30-man roster."