Jack Colback's knee injury is not as bad as Newcastle United feared, but the midfielder is out for up to six weeks.
Newcastle United midfielder Jack Colback is to miss up to six weeks of action with a knee injury.
The 26-year-old picked up the problerm against his former club Sunderland during Newcastle's 3-0 defeat in last weekend's Wear-Tyne derby.
Colback went for further checks on Thursday, with Newcastle saying the injury could have been worse.
"Newcastle United midfielder Jack Colback will be sidelined for up to six weeks with a knee injury, following further scans and assessment on Thursday.