Scarlets battled through terrible conditions and a Zebre comeback to finally win 20-12 at Parc y Scarlets.
Leicester overcame tricky conditions to secure a 21-11 victory over Bath in their Aviva Premiership clash at Welford Road.
Bundee Aki's late try gave Connacht an 18-12 win over Munster, their first victory at Thomond Park since 1986.
Connacht coach Pat Lam was not surprised that his side finally beat Munster at Thomond Park after 29 years of trying.
Connacht beat Munster 18-12 to secure their first victory over their Irish rivals at Thomond Park since 1986.
Wasps were in impressive form as they out-gunned London Irish 33-15 at Twickenham on Saturday.
Conor O'Shea stood up for under-pressure England captain Chris Robshaw after Harlequins lost 26-25 to Exeter.
Sale director of rugby Steve Diamond was frustrated by his team's display as they were held to a draw by Newcastle.
Gareth Steenson led Exeter to a 26-25 victory over Harlequins at a wet Sandy Park in the Aviva Premiership.
Danny Cipriani missed a last-minute penalty as Sale Sharks had to settle for a 15-15 draw against Newcastle Falcons.
Dan Carter watched his new side Racing 92 go second in the Top 14 table with a 28-13 home win over Toulouse.
Saracens scored six tries in a 48-18 thrashing of Worcester in the first of two Twickenham fixtures on Saturday.
Ospreys edged Cardiff Blues 13-6 in a one-try affair at the Liberty Stadium in the Guinness PRO12.
Thousands of people gathered in Auckland on Saturday for a Pacific island farewell for New Zealand legend Jonah Lomu.
Northampton forwards coach Dorian West heaped praise on his pack after Saints beat Gloucester 15-3.
Northampton's pack put in a dominant performance to help them to a 15-3 home win over Gloucester in the Aviva Premiership.
Edinburgh were convincing winners as they beat Newport Gwent Dragons 32-13 in their PRO12 clash on Friday.
Leinster bounced back from their European defeats to beat Ulster 8-3 and cement their place in the PRO12 play-offs.
Lucas Gonzalez Amorosino will make his full Munster debut in Saturday's Guinness PRO12 derby against leaders Connacht.
The five Champions Cup pool games postponed following the Paris terror attacks will take place in January.