Chiefs hit midfield trouble in South Africa
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Injuries to Sonny Bill Williams and Tim Nanai-Williams mean the Chiefs are likely to field a new-look midfield combination against the Sharks this weekend.
Williams is struggling with concussion.
The inside-centre clashed heads with Stormers prop Vincent Koch midway through the first half at Newlands and although he passed the pitch-side concussion test and returned to the field he has been struggling with symptoms since.
"Sonny took a pretty severe head knock and hasn't been feeling so good for the last couple of days," Chiefs assistant coach Tom Coventry said from Durban.
"He hasn…