Scotland internationals Stuart Hogg and Lee Jones have signed new two-year deals with the Glasgow Warriors.
Connacht hooker Jason Harris-Wright will miss at least six months after rupturing his ACL in the win over Zebre.
Gloucester back Tom Isaacs has left the club with immediate effect and joined the Cardiff Blues.
Leinster were held to a thrilling 24-24 draw in their Guinness PRO12 match against Treviso on Sunday.
Edinburgh posted their third win of the Guinness PRO12 campaign as they saw off Cardiff Blues 28-13 at Murrayfield.
Ulster ended Ospreys’ 100 per cent record in this season’s Guinness Pro12 with a 25-16 victory at a rain-soaked Kingspan Stadium.
Munster moved up to third in the Guinness Pro12 with a bonus-point 38-12 victory over Newport Gwent Dragons.
Leinster welcome back Jordi Murphy and Dave Kearney for the weekend trip to Treviso, which is live on Sky Sports 2 HD.
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