Jones, who was injured in the seventh minute of Trinidad and Tobago's friendly against England after colliding with David James, has undergone a scan on Wearside which has revealed ligament damage.
The Daily Mail reports that the targetman could be out of action until 2009 - but contrary to these suggestions...
SAFC.com say the damage will require several weeks of 'conservative treatment' before doctors can fully evaluate the extent of the Sunderland star's injuries.