Sources said that Green, who was injured during the Rockets' preseason win Thursday over the Toronto Raptors in Japan, will get more medical opinions on Monday to confirm the diagnosis and determine the best course of treatment.
The hope is that Green, who averaged 9.2 points off the bench, will not require surgery to repair his foot. If he needs surgery, Green will likely be sidelined for a few months.
Green's absence will deplete the Rockets' wing depth, which was already a concern.
The Athletic first reported that Green likely broke his foot.