Murray is also considering skipping the clay-court season because of his metal hip.
“There has been no blueprint for this,” Little said.
“No one has ever done this before. There is no markers, okay, make you sure you get this done at this time.
“Make sure you are strong here. We have to manage that as we go. And so we have got to be very, very careful as we go through.
“We don’t know what is going to happen. We still don’t know. Even though he won Antwerp and expectations have gone up.
source: express.co.uk