Peter Grant will undergo a knee operation after scans confirmed damage.
Peterborough United defender Peter Grant is set for a spell on the sidelines after scans revealed he had ruptured his cruciate knee ligament in last week's reserve team defeat to Rotherham United at London Road.
The Scot will undergo a knee operation shortly. Grant sustained the injury in the second half of the fixture with the Millers.
He is undergoing treatment by physiotherapist Chris Burton.