Manie Libbok kicked a touchline conversion in injury time to earn the Stormers a dramatic 21-20 victory over defending champions La Rochelle in their Champions Cup clash at the DHL Stadium.
The Stormers are at full strength for Saturday's Champions Cup clash against La Rochelle, while the Bulls have picked an inexperienced side against Lyon.
Stormers stalwart Deon Fourie revealed the new leaders in the franchise who are taking responsibility following the departure of key players.
Stormers coach John Dobson heaped praise on his charges despite their 35-26 loss to the Leicester Tigers on Sunday.
Handre Pollard scored 20 points against a side from his native South Africa as Leicester Tigers ground out a nervy 35-26 victory against a depleted Stormers in their opening match of this season's Investec Champions Cup.
The Stormers will break new ground when they face Leicester Tigers for the first time in their history in Sunday's Champions Cup opener at Mattioli Woods Welford Road.