With the rain teeming down, the opening half was a war of attrition. Keeping it close to the forwards, the Bulls would strike first. A penalty resulted in a lineout on Sharks’ 5m line and the subsequent maul stayed tight, allowing hooker Akker van der Merwe to fall over the line for the score.The visitors then had a chance to extend their lead thanks to a penalty at the breakdown. SA-born Scottish star Jaco van der Walt split the uprights to make it 8-0.On the 30-minute mark, the Sharks were finally rewarded for their endeavour. A brave backline move from a lineout saw the ball go through…