Queens Park Rangers boss Mark Hughes was left to assess the fitness of Luke Young and Bobby Zamora following the R's 2-1 loss to Wolves on Saturday afternoon.
Young, 32, has made 21 league appearances since joining from Aston Villa in the summer and Hughes admitted that he now faces a spell on the sidelines.
"He felt his hamstring. Hopefully it's not too serious but it does look like he'll now be missing," Hughes told Sky Sports News.
Zamora, 31, marked his debut with a goal against Wolves but Hughes stated that his injury is not too serious.
"Bobby was cramping up. He should be okay. He didn't want to damage himself any further and was correct to say 'I want to come off'. It was to protect him."
QPR will attempt to return to winning ways when they travel to Blackburn next weekend.
