Saturday proved to be a Premiership party in the Challenge Cup, with wins for Exeter, London Irish and Gloucester.
Round Four of the European Rugby Challenge Cup continues on Saturday, with six fixtures on the cards.
Wins for Cardiff Blues, Connacht and Newport Gwent Dragons in round three of the European Challenge Cup.
Saturday's European Rugby Challenge Cup billing sees four matches, with London Irish and Connacht both in action.
Cardiff Blues beat Treviso to secure their second PRO12 win of the season but were hit by an injury to Gareth Anscombe.
Gloucester back Tom Isaacs has left the club with immediate effect and joined the Cardiff Blues.
Third-placed Munster will be looking for revenge against second-spot Ulster in the PRO12 on Friday night.
Edinburgh posted their third win of the Guinness PRO12 campaign as they saw off Cardiff Blues 28-13 at Murrayfield.
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