Coetzee injury concern for Ulster

Ulster's Springboks star Marcell Coetzee hobbles off with a knee injury in the first half of Saturday's 68-21 Pro12 hammering of Zebre.

Coetzee's Ulster debut was delayed until last month because of a serious knee injury that he sustained playing for his former club the Sharks last April.

It was not immediately clear whether Saturday's injury was in the same knee.

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