Jacques Potgieter of the Northern Bulls makes a pass during their Super 15 rugby union match against the Canterbury Crusaders, at AMI Stadium in Christchurch, on July 21, 2012. The Bulls against the ... more 

Jacques Potgieter of the Northern Bulls makes a pass during their Super 15 rugby union match against the Canterbury Crusaders, at AMI Stadium in Christchurch, on July 21, 2012. The Bulls against the Stormers, South Africa's North-South derby, on Friday, promises to be a fiery affair after both sides made the play-offs last year but failed to progress to the finals less