Newcastle manager Joe Kinnear has confirmed Michael Owen suffered ankle ligament damage during the Magpies' defeat at Manchester City on Wednesday and will be out for up to six weeks.
The England striker limped off 19 minutes into the 2-1 defeat at Eastlands after falling awkwardly on his left ankle following an aerial challenge.
"We will be without Michael now for between four and six weeks," Kinnear told Newcastle's official website, www.nufc.co.uk.
The Magpies also lost Joey Barton to a metatarsal injury in the match and Owen's latest injury setback puts further pressure on Kinnear and his team, who face Sunderland in the Tyne-Wear derby on Sunday.
"It's a big blow and the injuries are mounting up," Kinnear added.
"Joey Barton is also missing for about 10 weeks but we have to soldier on and put out the best team we can."
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