Glasgow Warriors will kick off the defence of their GUINNESS PRO12 title at home to the Scarlets, live on Sky Sports.
Former New Zealand All Blacks star Mils Muliaina has been charged by British police with sexual assault.
Willie Faloon has returned to Ulster after three years at interprovincial rivals Connacht.
Connacht Rugby has announced the signing of Ireland qualified Api Pewhairangi.
European Challenge Cup holders Gloucester will face local rivals Worcester Warriors in the 2015-16 competition.
Gloucester will take on Bordeaux Bègles for a place in next year's Champions Cup after they beat Connacht 40-32.
The Ospreys beat Connacht 24-20 but could not record a bonus point for a home PRO12 play-off.
Connacht their hopes of European Champions Cup qualification alive with a 40-10 bonus point win over Zebre.
With one round remaining and the top four sides split by a point there is still everything to play for in the PRO12.
Stuart Barnes says that players should not be banned for accidental acts after Iain Henderson was red-carded for Ulster.
Zebre skipper Mauro Bergamasco will make his final home appearance when they host Connacht on Saturday.
Watch all the highlights of this weekend's Guinness PRO12 action.
Glasgow Warriors' clinical finishing proved too much for Connacht as they ran out 31-13 bonus-point winners in Galway.
Connacht have made three changes in preparation for their Guinness PRO12 game against league leaders Glasgow.
Tommy Bowe bagged a brace as Ulster led from start to finish in a 27-20 bonus-point win over Connacht.
Rory Best, Tommy Bowe and Jared Payne return to the Ulster team to face Connacht in Saturday’s Guinness PRO12 derby.
Connacht full-back Mils Muliaina is “shocked and distressed” after being arrested on suspicion of sexual assault.
Connacht full-back Mils Muliaina has been arrested by police on suspicion of sexual assault.
Gloucester beat Connacht 14-7 to make it through to the European Challenge Cup semi-finals on Friday.
Mils Muliaina will leave Connacht at the end of the season after signing a one-year deal with Italian side Zebre.