Stormers moved off the bottom of the United Rugby Championship table with a 36-5 victory over Zebre Parma at Stadio Sergio Lanfranchi.
Replacement Caolin Blade claimed a 66th-minute bonus point as Connacht overcame Benetton 38-19 at the Sportsground.
Edinburgh failed to take advantage of the early sending-off of Benetton debutant Matteo Minozzi as they were beaten 24-17 by the Italians in the United Rugby Championship.
Tietie Tuimauga rescued a vital win for Connacht after they looked to have thrown away victory in a 21-17 triumph at Benetton.
Blair Kinghorn was at the heart of the action as Edinburgh moved up to second in the United Rugby Championship with a 24-10 victory against Benetton.
Unfancied Benetton qualified for this weekend's Rainbow Cup final via a cancellation that left Irish province Munster upset with the outcome.
Three tries in the final 20 minutes helped Leicester to a bonus-point win over Brive in their opening match of the European Rugby Challenge Cup.
Paul Boyle celebrated his first time captaining Connacht with a hat-trick of tries in their 31-14 Guinness PRO14 win over Benetton at the Sportsground.
PRO14's Dream Team is a diplomatic selection - 11 clubs were represented in the 45 players nominated and all 11 clubs are represented in the chosen XV for the 2018/19 season.
Rejuvenated Benetton's exploits lit up the PRO14 season and the quarter-finalists have been rewarded with seven nominations for the Guinness Dream Team which will be announced on Thursday night.
