Jack Colback sustained the injury following a Lee Cattermole challenge on Sunday. Richard Sellers/EMPICS SportNewcastle midfielder Jack Colback has been ruled out for up to six weeks with a knee injury.
The former Sunderland player sustained the injury following a challenge by Lee Cattermole in the early stages of the second half of Sunday's 3-0 Premier League loss to their fierce rivals.
INJURY NEWS: Jack Colback ruled out for up to six weeks with a knee injury. More at https://t.co/iDkcawHKcB #NUFC pic.twitter.com/SIDZEZCz4t
- Newcastle United FC (@NUFC) October 29, 2015
The Tyneside club tweeted: "Newcastle United midfielder Jack Colback will be sidelined for up to six weeks with a knee injury, following further scans and assessment on Thursday. The injury is not as bad as first feared."
The 26-year-old has started nine of the Magpies' 10 top-flight games this season.