Zebre were flagging .
Stockdale punished the fatigue by dotting down a 51st minute bonus point try , taking Pienaar 's pass to power through the would - be tackle of Johan Meyer from five metres out .
Zebre were flagging , and Stockdale punished the fatigue by dotting down a 51st minute bonus point try , taking Pienaar 's pass to power through the would - be tackle of Johan Meyer from five metres out .