Benetton took advantage of Murray Koster's red card to snatch a 25-24 victory over the Sharks which keeps alive their hopes of a United Rugby Championship (URC) play-off place.
Sharks coach John Plumtree hailed the character of his charges after they came from behind to edge Clermont Auvergne and reach the Challenge Cup final.
The Sharks pulled off a remarkable late fightback against Clermont to come from 13 points down and clinch a 32-31 victory in Saturday's Challenge Cup semi-final at The Stoop in London.
The Sharks face ASM Clermont Auvergne in the semifinals of the EPCR Challenge Cup at the Twickenham Stoop in London on Saturday.
It's been a disappointing season by their own high standards, but the Sharks are eyeing a shot at redemption in this weekend's Challenge Cup semi-finals.
The Bulls have acquired the services of utility back Boeta Chamberlain on an initial two-year deal from coastal outfit, the Sharks.