Sharks Currie Cup coach Etienne Fynn has challenged his players to stand up and be counted against the Bulls, who selected a number of their United Rugby Championship (URC) regulars for the domestic clash on Wednesday. The Bulls will welcome their bitter rivals to Loftus Versfeld Stadium in Pretoria (8pm). The Pretoria side picked six players who featured against Munster in the international competition on Saturday to start in their Currie Cup meeting with the Sharks. The Bulls are due to entertain Scarlets of Wales in the URC in Pretoria on Friday. For Wednesday’s match, the Pretoria-based fr…