Millwall have confirmed that they will be without Nicky Bailey, Richard Chaplow and Ed Upson for their Championship season opener against Leeds United this Saturday.
Chaplow picked up a calf injury in Friday's pre-season win over Mallorca.
"At first it was difficult to make a formal diagnosis as we were hoping that his injury was just from the initial contact of a challenge," said Millwall physio Bobby Bacic. "Nicky has had a scan since and it has shown a small tear to his calf.
"We are desperately trying to get him ready for the Fulham game on August 16 as he has a strong connection with the area and can't wait to get back playing."
Upson and Chaplow are both suffering with hamstring problems.