Adam Ashe's late try spares Glasgow Warriors' blushes against bottom-placed Benetton Treviso at a sodden Scotstoun.
Edinburgh secure a bonus-point win with a dominant performance over an ill-disciplined Newport Gwent Dragons in the Pro12.
Ulster fail to break Leinster's firm defence and slip to a disappointing 8-3 Pro12 defeat to their Irish rivals at the RDS.
Wales and British and Irish Lions wing George North's decision to remain with Northampton disappoints Pro Rugby Wales chief Mark Davies.
Team news as London Irish host Wasps in Saturday's Premiership match at Twickenham (17:30 GMT).
Team news as Saracens host Worcester in Saturday's Aviva Premiership match at Twickenham (15:15 GMT).
Team news as Exeter host Harlequins in Saturday's Aviva Premiership match at Sandy Park (15:00 GMT).
Team news as Sale Sharks host Newcastle in Saturday's Aviva Premiership match at the AJ Bell Stadium (14:30 GMT).
European Champions Cup games, postponed after the Paris terror attacks, will be played between 8-10 January.
Team news as Northampton host Gloucester in Friday's Aviva Premiership match at Franklin's Gardens (19:45 GMT).
Scarlets' Wales prop Rhodri Jones boosts his 2016 Six Nations chances by returning after injuries for Llanelli in the Welsh Premiership.
Top players are "frustrated" over recent doping revelations because they feel "at the top level it's a clean sport," says the RPA.
Wales wing George North signs a new contract with Premiership club Northampton Saints.
Ireland hooker Rory Best signs an IRFU contract extension which will keep him at Ulster until June 2018.
Saracens and ex-England fly-half Charlie Hodgson will retire at the end of the season to become head of recruitment.
Sam Burgess' contract with the South Sydney Rabbitohs is yet to be registered as it will take the club over the salary cap.
Moray Low says he wants to put himself in the "shop window" for Scotland by performing well for Exeter.
Sale captain Dan Braid says he is fully focused on playing despite his upcoming coaching role next season.
World Cup-winning prop Ben Franks gets set to return to the scene of New Zealand's Twickenham triumph with London Irish.
Cardiff Blues hooker Matthew Rees is banned for seven weeks for stamping on Harlequins number eight Nick Easter.